Sourdough Pizza: Crispy Cast Iron Crust

Golden crust, tangy flavor, and that satisfying cast-iron crunch. Your favorite Friday night tradition just got a sourdough upgrade.

Perfect Pizza Recipes .

Turn your sourdough discard into a crispy masterpiece. Simple ingredients, one heavy pan, and a whole lot of heart. Perfect for a slow Sunday night.

Published: September 30, 2026
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Sourdough Pizza: Crispy Cast Iron Crust | Recipe Blog

The art of the sourdough pizza is a marriage of ancient fermentation and the rustic utility of the hearth. Long before modern ovens, the concept of using a hot stone or a heavy metal vessel to sear the bottom of a dough was the secret to the perfect crust in village bakeries across Europe.

Sourdough itself is one of the oldest forms of leavening, relying on wild yeast and lactic acid bacteria. This natural process creates the characteristic "tang" that defines the flavor profile, offering a complexity that commercial yeast simply cannot replicate. It is a slow dance of chemistry and patience.

Integrating this tradition with a cast-iron skillet mimics the intense, concentrated heat of a professional pizza oven. The heavy iron distributes heat evenly, frying the bottom of the crust in olive oil while the top bubbles under the oven's glow. It is a technique that honors the slow pace of the past while fitting perfectly into a modern kitchen.

Today, this method is celebrated for its sustainability, allowing home cooks to rescue their discard and transform it into something substantial. It turns a simple dinner into a reflective practice of patience and warmth.

Why You'll Love It

    • Honestly, there is nothing like that first bite of a crust that's actually crunchy on the bottom, thanks to the cast-iron skillet.
    • I love how it uses 1 cup sourdough discard; it's such a wonderful way to give that little bit of starter a purpose again.
    • It has this lovely, gentle tang that just makes the cheese and sauce pop, yeah, it's just more soulful than a standard crust.
    • Well, look, it's just so simple to pull together for the family, and the smell filling the kitchen is just... wow.

"Honestly, the crunch on this crust is just unbelievable. My kids actually asked for seconds!"

Essential Ingredient Guide

  • 1 cup sourdough discard: This is where the magic happens. It gives the crust that signature tang and a bit of a bubbly texture that's just so comforting.
  • 2 cups all-purpose flour: I find this keeps the dough manageable and soft. Just measure it gently so the crust doesn't end up too heavy, okay?
  • 1 teaspoon honey (optional): Now, this is just a little secret. It adds a tiny hint of sweetness that balances the sourness and helps the crust brown beautifully.
  • 1/2 teaspoon fine sea salt: Don't skip this, dang, it's what wakes up all the other flavors. It keeps the dough from tasting flat.
  • 1 tablespoon olive oil (plus extra for greasing): It adds a bit of richness and helps with that golden crisp. I always make sure my skillet is well-greased so nothing sticks.
  • 1 cup water (20–25°C): Using water at this temperature keeps the fermentation steady. It's just warm enough to be inviting but not so hot it hurts the starter.
Preparing Sourdough Pizza: Crispy Cast Iron Crust | Recipe Blog

Complete Cooking Process

  • Ingredient Readiness:

    I like to make sure my 1 cup water is just the right temperature before mixing. It's all about getting those ingredients comfortable with each other in the bowl.

  • Flavor Development:

    That 45-minute rest is where the sourdough really finds its voice. The flavors deepen and the gluten relaxes, which makes the dough so much easier to handle.

  • Texture Control:

    The secret is pressing the edges in the preheated skillet. Letting it sit for a few minutes before adding toppings stops the edges from curling up, ugh, we don't want that.

  • Finishing Touches:

    Once the cheese is bubbling and golden, I like to let it breathe for two minutes. It just sets the crust perfectly before you slice in.

  • Serving Timing:

    Serve it hot, straight from the pan if you can. That's when the contrast between the crispy bottom and melty top is just... wow.

  • Pro Tips

    • Keep your dough in a warm spot around 75°F/24°C for the best rise.

    • Try brushing the final crust with a beaten egg for a glossy, caramelized look.

    • For extra crunch, simmer a tablespoon of water in the pan before adding dough to create steam.

    • Preheat your oven to 425°F (220°C) with an inverted skillet to get that heat moving.

    You've got this, just trust your hands and the process.

Cooking Sourdough Pizza: Crispy Cast Iron Crust | Recipe Blog

Better For You Treats

I love that this uses fermented sourdough discard, which is just a bit kinder to the tummy. If you're feeling mindful, you can even swap the 2 cups all-purpose flour for whole-wheat to get some extra fiber in there.

Ways to Make it Your Own

You could try a Tomato-Basil Focaccia style with pine nuts and cherry tomatoes, or go for a kick with beef sausage and red-bean pepper flakes. Honestly, the sourdough base carries almost any topping you can imagine.

Serving Suggestions

I think it's lovely paired with a roasted beet and goat cheese salad to balance out the tang. A little drizzle of high-quality extra virgin olive oil on top right before serving just makes it feel special.

Frequently Asked Questions

→

What if my dough feels too sticky to knead?

Oops, that happens! Just sprinkle in a tablespoon of flour at a time until it feels tacky but smooth in your hands.

→

Can I make this without a cast-iron skillet?

You can, but I mean, you'll miss that wonderful crunch. A baking stone is a decent backup, but the skillet is really where the magic is.

→

How do I keep the crust from getting soggy?

Just make sure you don't overload the sauce and let it rest for a couple of minutes on a cutting board before slicing.

Sourdough Pizza: Crispy Cast Iron Crust Ready to Serve | Recipe Blog

Nutrition Facts

per serving

420

Calories

18g

Protein

48g

Carbs

14g

Fat

Fiber: 3g
Sugar: 6g
Sodium: 850mg

Taste Profile

🍯 Sweet
Low
🧂 Salty
Medium
🌶️ Spicy
None
🍋 Sour
Medium
🍖 Umami
High

A savory, tangy balance of fermented dough and rich, melted cheese.

Ingredient Substitutions

Don't have an ingredient? Try these alternatives

all-purpose flour whole-wheat flour

Increases fiber but may result in a denser crust.

honey maple syrup

Provides a similar touch of sweetness to help with browning.

mozzarella provolone or Monterey Jack

Provides a different melt and flavor profile.

Recipe Variations

Try these delicious twists on the original

Tomato-Basil Focaccia Pizza

Transform the dough after its first rest into a flat, foamy batter. Top with pine nuts and fresh cherry tomatoes, bake, and finish with a basil leaf sauce instead of marinara for a Mediterranean feel.

Spicy Pepperoni Sourdough Pizza

For those who like a bit of heat, add thinly sliced pepperoni and a pinch of red-bean pepper flakes to your toppings. Garnish with fresh oregano sprigs for that classic Italian kick.

Common Mistakes to Avoid

Learn from others' mistakes for perfect results

  • Over-kneading the dough, which can make the crust too tough.
  • Adding toppings to a cold skillet, which loses the bottom crispness.
  • Skipping the 3-4 minute rest in the pan, leading to curled edges.

Meal Prep & Storage

Make Ahead Tips

You can prepare the dough and let it ferment in the fridge overnight for a deeper flavor, then bring it to room temperature before shaping.

Leftover Ideas

Store slices in an airtight container for 2 days. Reheat in the oven at 350°F (180°C) for 5-7 minutes to bring back that crunch.

Perfect Pairings

Serve this with...

A light, fresh garden salad with a lemon vinaigrette. A glass of crisp white wine to balance the tang of the sourdough. A roasted beet and goat cheese salad for a sophisticated contrast.

Cooking Timeline

0-5 min

Preheat oven and heating element

5-15 min

Mix and knead the dough

15-60 min

Let dough rest and ferment

60-70 min

Shape dough and prepare skillet

70-85 min

Top and bake the pizza

Sourdough Pizza: Crispy Cast Iron Crust

Sourdough Pizza: Crispy Cast Iron Crust

A cozy, family-style sourdough pizza with a golden, crunchy edge thanks to the cast-iron pan. It's a comforting blend of tangy sourdough discard and bubbling cheese that fills the kitchen with a warm, yeasty aroma.

Author: Sofia Rivera

Timing

Prep Time

30 Minutes

Cook Time

20 Minutes

Total Time

50 Minutes

Recipe Details

Category: Perfect Pizza Recipes
Difficulty: Easy
Cuisine: Italian
Yield: 4 slices
Dietary: None

Ingredients

Dough Base

  • 01

    1 cup sourdough discard

  • 02

    2 cups all-purpose flour

  • 03

    1 cup water (20–25°C)

  • 04

    1 tablespoon olive oil (plus extra for greasing)

  • 05

    1/2 teaspoon fine sea salt

  • 06

    1 teaspoon honey (optional)

Toppings

  • 01

    marinara sauce

  • 02

    shredded mozzarella

  • 03

    fresh basil leaves (optional)

  • 04

    extra virgin olive oil (optional)

Instructions

Step 01

Start by preheating your oven to 425°F (220°C). I like to place a baking stone or even just an inverted skillet on the middle rack to get it nice and hot, then I just slide the cast-iron skillet down when it's time to cook.

Step 02

In a large bowl, bring together your 1 cup sourdough discard, 2 cups all-purpose flour, 1 cup water (20–25°C), 1 tablespoon olive oil, 1/2 teaspoon fine sea salt, and that 1 teaspoon honey if you're using it. Mix it with a whisk or spoon until you have a shaggy dough. Honestly, it should be slightly tacky, but not too wet; if it feels off, just add a tiny bit of water or flour.

Step 03

Turn the dough onto a lightly floured surface and knead it for about 2–3 minutes. You're just looking for it to become smooth and elastic. Put it back in the bowl, cover it with a damp cloth or plastic wrap, and just let it rest for 45 minutes at room temperature. This is where the fermentation and gluten relaxation happen.

Step 04

Once it's rested, gently punch down the dough—it's kind of satisfying, really—and divide it into two equal pieces (each about 300g). Shape each into a round disc about 1/4 inch thick. Now, dust your skillet with a thin layer of flour or water and brush it lightly with olive oil.

Step 05

Carefully transfer one dough disc onto that preheated skillet. I use the backside of a wooden spoon or a pizza peel to press the edges and form a little rim. Now, just let it sit for 3–4 minutes; it stops the edges from curling up while it bakes.

Step 06

After it's rested, add a spoonful of marinara sauce over the base, spread it evenly, and sprinkle on your shredded mozzarella and any other toppings you love. Bake for 10–12 minutes until the cheese is bubbling, the edges are golden-brown, and the crust feels firm.

Step 07

Use tongs to remove the pizza and let it rest on a cutting board for 2 minutes before slicing. If you're making the second one, just repeat the process from step 5.

Step 08

Serve it up hot! I love garnishing mine with fresh basil leaves or a little drizzle of high-quality extra virgin olive oil. It's just lovely.

Notes & Tips

  • 1

    Sourdough discard adds a wonderful tang that you just can't get with commercial yeast.

  • 2

    Using a cast-iron skillet is the secret to that deep, crispy bottom crust.

  • 3

    Don't rush the 45-minute rest; it makes the dough much easier to handle.

Tools You'll Need

  • Cast-iron skillet (10-12" diameter) for a perfect sear

  • Mixing bowl for combining ingredients

  • Whisk or wooden spoon for mixing

  • Digital kitchen scale (optional) for precision

  • Tongs or spatula for safe removal

  • Parchment paper (optional)

  • Oven thermometer to ensure exact heat

Must-Know Tips

  • Fermentation Temp, Let the dough ferment in a warm spot around 75°F/24°C for the best rise.

  • Edge Curling, Let the dough rest in the pan for 3-4 minutes before adding toppings to keep the rim straight.

  • Bottom Crunch, Pre-simmer a tablespoon of water in the pan before adding dough to create steam for a puffier bottom.

Professional Secrets

  • The Glossy Finish: Brush the final baked crust with a beaten egg or hide some melty cheese under the top layer for caramelization.

  • The Steam Method: Adding a tiny bit of water to the pan creates a professional-style crispiness.

  • The Tempering Trick: Using water at 20-25°C ensures the sourdough discard activates properly without overheating.

What readers are saying

Community reviews from home cooks like you

4.2 /5
23 reviews
overall
Decent result for the effort. The discard flavor was nice, but next time i'll double the sauce. I might try it again with some adjustments.
ingredients
Decent result for the effort. The discard flavor was nice, but next time i'll double the sauce. I might try it again with some adjustments.
overall
The flavors were spot on. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Great addition to my recipe rotation.
ingredients
I was surprised how good this turned out. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. The texture was a touch off, but the flavor saved it. Highly recommend giving it a try.
taste
Perfect for a busy weeknight. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Already shared it with a friend.
time
So easy and delicious. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Saving this for later.
taste
I wanted to love this dish, but it didn't quite work for me. My oven needed an extra 5 minutes. I think with some tweaks it could be really good.
taste
So easy and delicious. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Next time I'll double the sauce. My kids even asked for seconds.
meal-prep
Can't believe how simple this was. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Perfect as written.
substitution
Will definitely make this again. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. My kids even asked for seconds.
time
Decent result for the effort. The discard flavor was nice, but my oven needed an extra 5 minutes. I might try it again with some adjustments.
ease
This exceeded my expectations. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Thanks for sharing this one!
substitution
Will definitely make this again. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Highly recommend giving it a try.
texture
This was a hit with my family. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. I found it a bit sweet for my taste. Saving this for later.
taste
Absolutely loved this recipe! I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. I would reduce the salt a little. Perfect as written.
meal-prep
Will definitely make this again. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. The texture was a touch off, but the flavor saved it. Saving this for later.
ingredients
The flavors were spot on. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Perfect as written.
overall
I was surprised how good this turned out. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. It took slightly longer than the recipe said. Perfect as written.
substitution
This exceeded my expectations. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. My oven needed an extra 5 minutes. Thanks for sharing this one!
ease
Pretty good overall. The discard flavor was nice, but my oven needed an extra 5 minutes. I might try it again with some adjustments.
ingredients
My new favorite way to make Sourdough Pizza: Crispy Cast Iron Crust. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Highly recommend giving it a try.
ease
I was surprised how good this turned out. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. Perfect as written.
substitution
So easy and delicious. I really liked how the 1 cup sourdough discard and 2 cups all-purpose flour came together. I found it a bit sweet for my taste. My kids even asked for seconds.
Sofia Rivera

Recipe by

Sofia Rivera

Exploring the world through food 🌍🍲 Rich flavors, exciting dishes, and endless culinary inspiration ✨

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