Sourdough Discard Waffles are fluffy and tasty, making breakfast extra special! Using leftover sourdough starter, these waffles are simple to whip up and have a nice tangy flavor.
After all, who doesn’t love a warm, crispy waffle? I like to top mine with fresh fruit and a drizzle of syrup. Yum! These waffles make use of that starter and help reduce food waste. Win-win!
Key Ingredients & Substitutions
Sourdough Discard: This is the star of the recipe! It helps create a delicious tangy flavor. If you don’t have sourdough discard, you can use plain yogurt or a mix of regular and whole wheat flour with a bit of vinegar for a similar effect.
All-Purpose Flour: Standard all-purpose flour works great here. You could also swap in whole wheat flour for a nuttier flavor, but the texture may be a bit denser. If you’re gluten-free, consider a gluten-free all-purpose blend.
Buttermilk: Buttermilk gives the waffles a nice tang and tenderness. If you don’t have it on hand, you can make a substitute by mixing milk with a tablespoon of vinegar or lemon juice and letting it sit for 5-10 minutes.
Eggs: The eggs are separated here to create a light and fluffy texture. If you prefer, you can use egg replacers for a vegan option. Just keep in mind the texture might change slightly.
How Can I Make My Waffles Fluffy and Light?
For airy waffles, the key is beating the egg whites separately. This makes a huge difference! Here’s how to do it right:
- Use a clean, dry bowl for whipping egg whites. Any grease will prevent them from whipping properly.
- Start beating at a medium speed until they become frothy, then increase to high speed.
- Beat until stiff peaks form. This means when you lift the beaters, the peaks stand up and don’t flop over.
- Carefully fold the beaten egg whites into the batter last, using a spatula to keep it light. Don’t overmix!
These steps are simple but keep your waffles fluffy and delicious. Enjoy your cooking!

Delicious Sourdough Discard Waffles
Ingredients You’ll Need:
For The Waffles:
- 1 cup sourdough discard (unfed starter)
- 1 cup all-purpose flour
- 1 tablespoon sugar
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup buttermilk
- 2 large eggs, separated
- 4 tablespoons unsalted butter, melted
- 1 teaspoon vanilla extract
- Cooking spray or additional butter for waffle iron
For Toppings:
- Fresh blueberries
- Sliced strawberries
- Maple syrup
- Fresh mint leaves (optional, for garnish)
How Much Time Will You Need?
This recipe will take about 10 minutes to prepare and another 3-5 minutes for each batch of waffles in the waffle iron, depending on your equipment. Perfect for a lovely weekend breakfast or brunch!
Step-by-Step Instructions:
1. Prepare Your Waffle Iron:
First things first! Preheat your waffle iron according to the manufacturer’s instructions. Don’t forget to lightly grease it with cooking spray or butter to prevent sticking!
2. Mix Your Dry Ingredients:
In a large mixing bowl, whisk together the sourdough discard, all-purpose flour, sugar, baking powder, baking soda, and salt. This mixture is where your waffle base begins!
3. Combine Wet Ingredients:
In a separate bowl, mix the buttermilk, egg yolks, melted butter, and vanilla extract. Stir well until it’s nice and smooth.
4. Combine Wet and Dry Ingredients:
Pour the wet mixture into the dry ingredients. Gently stir until just combined—you want a slightly thick batter but be careful not to overmix or your waffles might be tough!
5. Beat the Egg Whites:
In another clean bowl, use an electric mixer to beat the egg whites until they form stiff peaks. This step is key for fluffy waffles, so make sure the bowl is dry!
6. Fold in the Egg Whites:
Gently fold the beaten egg whites into the batter. Take your time and be gentle to keep that airy texture intact!
7. Cook the Waffles:
Pour the batter into the preheated waffle iron, spreading it evenly. Close the lid and cook until the waffles are golden brown and crispy, usually about 3-5 minutes, but check your waffle iron’s instructions.
8. Serve with Toppings:
Once cooked, carefully remove the waffles and place them onto a plate. Top with fresh blueberries and sliced strawberries for a fresh burst of flavor!
9. Add the Final Touches:
Drizzle your waffles with maple syrup for sweetness and garnish with mint leaves if you’d like. It’s all about presentation!
10. Enjoy Your Delicious Waffles!
Serve warm and enjoy every bite of these delightful sourdough waffles. Perfect for a cozy breakfast or brunch with friends and family!
Can I Use Whole Wheat Flour Instead of All-Purpose Flour?
Yes, you can substitute whole wheat flour for all-purpose flour, but the waffles may turn out denser. You might also want to add a little extra liquid to balance the consistency of the batter.
What Can I Use Instead of Buttermilk?
If you don’t have buttermilk on hand, you can make a substitute by mixing 1 cup of milk with 1 tablespoon of vinegar or lemon juice. Let it sit for about 5-10 minutes before using it in the recipe.
How Should I Store Leftover Waffles?
If you have leftover waffles, let them cool completely and store them in an airtight container in the fridge for up to 3 days. You can also freeze them for up to a month! Just place parchment paper between layers to prevent sticking.
Can I Add Other Ingredients to the Batter?
Absolutely! You can mix in chocolate chips, nuts, or spices like cinnamon for extra flavor. Just be mindful not to add too much, as it might alter the batter’s consistency.



