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Sourdough Discard Cast Iron Pizza

Do you have some sourdough discard on hand? Don't let it go to waste! Transform it into a delicious and rustic cast iron pizza. With a crispy crust and a variety of mouthwatering toppings, this sourdough discard pizza is a fantastic way to enjoy your sourdough starter's extra goodness. Let's dive into this simple and satisfying recipe.


  • Sourdough discard (unfed), approximately 1 cup

  • Olive oil

  • Pizza sauce

  • Shredded mozzarella cheese

  • Toppings of your choice (see suggestions below)

  • Salt and pepper, to taste


Part 1: Preparing the Sourdough Discard Crust

1. Preheat the Oven: Place your cast iron skillet in the oven and preheat it to 450°F (232°C).

2. Spread the Discard: Once the oven reaches the desired temperature, carefully remove the hot cast iron skillet using oven mitts. Pour your sourdough discard into the skillet. Tilt the skillet to spread the discard evenly across the bottom. The crust should be thin but not so thin that it will crack during baking.

3. Drizzle with Olive Oil: Drizzle a little olive oil in a spiral pattern over the sourdough discard crust. This will add flavor and help with browning.

4. Bake the Crust: Place the skillet back into the oven and bake the crust for 11 minutes, or until it becomes golden and slightly crispy.

Part 2: Adding Sauce, Toppings, and Cheese

5. Apply Pizza Sauce: Remove the cast iron skillet from the oven. Spread a layer of pizza sauce evenly over the pre-baked sourdough discard crust.

6. Add Toppings: Now, it's time to get creative! Add your favorite pizza toppings. Here are 11 ideas to inspire you:

  • Pepperoni slices

  • Sliced bell peppers

  • Sliced red onions

  • Sliced black olives

  • Sliced mushrooms

  • Cooked and crumbled sausage

  • Sliced tomatoes

  • Fresh basil leaves

  • Sliced jalapeños (for a spicy kick)

  • Fresh spinach leaves

  • Sliced pineapple chunks (for a sweet twist)

  • Try different sauces too like;

    • Alfredo for a white pizza

    • Buffalo sauce

    • Barbeque

    • Pesto

7. Sprinkle Cheese: Generously sprinkle shredded mozzarella cheese over the toppings. You can use as much or as little as you prefer.

8. Season to Taste: Season your pizza with a pinch of salt and pepper, to taste.

Part 3: Final Baking and Serving

9. Bake Again: Return the cast iron skillet to the oven and bake the pizza for an additional 10 minutes, or until the cheese is bubbly and golden brown.

10. Cool and Slice: Once the pizza is done, carefully remove it from the oven and allow it to cool for about 10 minutes. This helps the cheese set and makes slicing easier.

11. Slice and Serve: Slice your sourdough discard cast iron pizza into quarters and serve it up hot. Enjoy your homemade, rustic pizza creation!

Feel free to mix and match toppings to suit your taste buds or use up ingredients you have on hand. This sourdough discard pizza is not only a great way to reduce food waste but also a delicious and satisfying meal. Bless it be!

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