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Sourdough French Toast

Published: Jun 19, 2026 by Kealy · This post may contain affiliate links · Leave a Comment

Any time I have leftover sourdough that’s starting to go stale I use it to make french toast. The thick slices soak up all of the flavor in the custard mixture and cook up to a perfect golden brown.

3 sliced of french toast topped with syrup and sliced strawberries

Topping the french toast is half the fun! Add berries or Baked Apples and Pears and Homemade Maple Whipped Cream for extra pizazz.

Jump to:
  • Ingredients
  • Instructions
  • Give yourself the gift of prep!
  • Equipment
  • Top Tip
  • Related
  • Sourdough
  • Recipe
  • Sourdough French Toast

Ingredients

ingredients for sourdough french toast on a wooden cutting board
  • sourdough
  • eggs
  • butter
  • brown sugar
  • salt
  • cinnamon
  • heavy cream
  • milk
  • vanilla

See recipe card for quantities.

Instructions

eggs custard ingredients in a white bowl on a white background

Step One: Combine the eggs, milk, cream, vanilla, brown sugar, salt and cinnamon in a large shallow bowl. Beat the eggs to fully combine into the mixture.

french toast slices sitting in egg custard mixture

Step 2: Place slices of sourdough into the custard mixture, allowing them to soak for about 2 minutes, then flip and soak the other side for 2 minutes.

butter melting on a cast iron

Step Three: While the sourdough is sitting in the custard mixture heat a cast iron over medium high heat and melt the butter.

french toast slices browning on a cast iron

Step Four: Cook the french toast on the cast iron for about 2 minutes per side or until golden brown. Adjust the heat on the cast iron as needed. While the french toast cooks, place another set of toast in the custard mixture to soak.

Step Five: Set aside the cooked french toast, add more butter to the cast iron as needed and finish soaking and cooking the rest of the sourdough slices. Top with maple syrup, Maple Whipped Cream, berries or Baked Apples and serve.

Hint: Don’t over soak the french toast or the bread with fall apart as you transfer it to the pan.

Give yourself the gift of prep!

In this section I will give you ways to freeze, re-purpose and/or use some of your ingredients for another meal. Save yourself some time and effort next time you’re in the kitchen!

Make ahead of time- You can slice all of the bread and prep the custard mixture the night before and keep the custard in the fridge. In the morning all you have to do in soak and cook.

Leftover bread- this recipe utilizes leftover stale sourdough bread, so perfect for minimizing waste in your kitchen. I usually make this the same week I make sourdough grilled cheese.

Equipment

Cast Iron Pan- I prefer to use a cast iron pan when making french toast because it retains heat well and creates a beautiful golden crust.

Top Tip

Cast iron pans are great at retaining heat and a well seasoned cast iron is pretty non stick, but because they retain heat so well make sure you adjust the heat as needed. most likely you’ll have to drop the heat to medium after the first few slices so the bread continues to get golden brown and not burnt.

Related

Looking for other breakfast recipes? Try these:

  • four berry bars on a white background
    Peanut Butter and Jelly Granola Bars (No Bake)
  • sausage, apple, sweet potato, kale and onion on a baking sheet
    Sausage, Apple and Sweet Potato Bowl
  • a slice of breakfast casserole on a white plate
    Sausage and Veggie Breakfast Casserole
  • greek yogurt dip on cutting board with apples and graham crackers
    Peanut Butter Chocolate Chip Greek Yogurt Dip

Sourdough

Other recipes that utilize sourdough bread:

  • close up of garlic bread
    Parmesan Garlic Bread
  • caesar salad with croutons
    Homemade Sourdough Croutons
  • grilled cheese layered on a white plate
    Creamy Chicken Grilled Cheese on Sourdough

Recipe

Sourdough French Toast
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Sourdough French Toast

Recipe by KealyCourse: BreakfastDifficulty: Easy
Servings

4

servings
Prep time

10

minutes
Cooking time

16

minutes
Total time

26

minutes

Ingredients

  • 8, 1 inch thick slices sourdough bread

  • 2 eggs

  • 2-4 tablespoon butter

  • 2 tablespoon brown sugar

  • ⅛ teaspoon salt

  • ¼ teaspoon cinnamon

  • ¼ cup heavy cream

  • ½ cup milk

  • ¾ teaspoon vanilla

Directions

  • Combine the eggs, milk, cream, vanilla, brown sugar, salt and cinnamon in a large shallow bowl. Beat the eggs to fully combine into the mixture.
  • Place slices of sourdough into the custard mixture, allowing them to soak for about 2 minutes, then flip and soak the other side for 2 minutes.
  • While the sourdough is sitting in the custard mixture heat a cast iron over medium high heat and melt 2 tablespoon of butter.
  • Cook the french toast on the cast iron for about 2 minutes per side or until golden brown. Adjust the heat on the cast iron as needed. While the french toast cooks, place another set of toast in the custard mixture to soak.
  • Set aside the cooked french toast, add more butter to the cast iron as needed and finish soaking and cooking the rest of the sourdough slices. Top with maple syrup, Maple Whipped Cream, berries or Baked Apples and serve.

  • close up of a greek chicken flatbread with all of the veggie and tzatziki toppings on a wooden cutting board
    Greek Chicken Naan Flatbread
  • sliced cornbread with butter on wooden cutting board
    Sweet Buttermilk Cornbread

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I'm a super busy wife and mom always looking for new ways to use my time and ingredients well. Let's make something delicious!

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