Name: Sourdough Discard Waffles Recipe
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: American
Ingredients: 1 ¼ cups whole milk; 1 teaspoon apple cider vinegar (or white vinegar); 2 large eggs (separated); 3 tablespoons granulated sugar; 2 teaspoons vanilla extract; ¼ cup butter (melted and cooled); ½ cup sourdough starter or discard; 1 ⅔ cups all-purpose flour; 1 teaspoon baking powder; ½ teaspoon baking soda; ¼ teaspoon sea salt

Jump to Recipe· 3.9 from 74 reviews

If you’re like me and love finding ways to reduce food waste in the kitchen while still creating something delicious, then this Sourdough Discard Waffles Recipe will quickly become your new favorite breakfast go-to. These waffles bring a light, fluffy texture and a subtle tang from the sourdough discard that turns a simple morning meal into an absolute treat. Packed with flavor but easy to whip up, they’re perfect for weekday mornings or leisurely weekend brunches when you want something special without the fuss. Trust me, once you try these, you’ll wonder how you ever made waffles without that magical sourdough twist!

Ingredients You’ll Need

The image shows several clear and white bowls and small glass containers arranged on a white marbled surface. At the top, there is a clear bowl filled with a pale tan liquid labeled “discard.” Below, a white bowl with two brown eggs and a small glass container of amber-colored vanilla sits to the right. A small white bowl with white baking powder and soda is on the left near the center. A larger white bowl at the bottom center holds a mound of white flour. To the left, a small glass bowl contains sugar, and below it is a glass jar filled with yellow melted butter. To the right of the butter jar, a glass jar with frothy milk and next to it a glass jar with light brown vinegar complete the arrangement. Photo taken with an iphone --ar 4:5 --v 7

Getting into the kitchen for these waffles requires a handful of simple, everyday ingredients that each have a starring role. From the tangy heart of sourdough discard to the fluffiness brought by whipped egg whites, every component works together to create that perfect waffle balance of crispy edges with tender insides.

Whole milk (1 ¼ cup): Creates a rich batter base and hydrates the flour for tenderness.
Apple cider vinegar (1 teaspoon): Helps curdle the milk, giving a slight tang and aiding in leavening.
Eggs, separated (2 large): Egg yolks provide moisture and flavor, whites add lightness when whipped.
Granulated sugar (3 tablespoons): Adds subtle sweetness to balance the sourdough tang.
Vanilla extract (2 teaspoons): Offers a warm, inviting aroma and depth to the batter.
Butter, melted and cooled (¼ cup): Brings richness while keeping waffles tender and golden.
Sourdough starter or discard (½ cup): The star of this recipe, introducing that signature tang and enhancing texture.
All-purpose flour (1 ⅔ cups): The structure builder that ensures perfectly crisp and airy waffles.
Baking powder (1 teaspoon): Boosts rise and fluffiness along with the sourdough’s natural fermentation.
Baking soda (½ teaspoon): Reacts with the acidity to create extra lift and lighter texture.
Sea salt (¼ teaspoon): Balances all the flavors and deepens the overall taste.

How to Make Sourdough Discard Waffles Recipe

Step 1: Prepare the Cultured Milk

The very first step is a small but important one—mix the whole milk with the apple cider vinegar and let it rest. This simple act causes the milk to curdle slightly, mimicking buttermilk, which lends that lovely tang that perfectly complements the sourdough discard in the batter.

Step 2: Separate and Prep Eggs

Carefully separate your eggs, placing the yolks into a big mixing bowl and the whites into a smaller one. This separation is key because it lets us whip the whites later to infuse the batter with air and lightness that ordinary waffles often lack.

Step 3: Combine Yolks with Sugar and Flavorings

Next up, beat the egg yolks along with the granulated sugar until well combined. The sugar not only sweetens but also contributes to the rich color and tender crumb. Then whisk in the vanilla extract, melted butter, and the star ingredient—the sourdough discard. Finally, slowly pour in the cultured milk mixture, whisking steadily to unify all the flavors into a silky batter base.

Step 4: Incorporate Dry Ingredients

Now for the flour, baking powder, baking soda, and sea salt—sift or whisk them together before gently folding them into the wet ingredients. The goal here is just to combine everything without overmixing. You want to keep the batter slightly loose but free from dry pockets so those waffles bake up beautifully fluffy.

Step 5: Whip Egg Whites to Stiff Peaks

This step is the magic of light and airy waffles. Using a clean bowl and whisk or mixer, beat the egg whites until stiff peaks form and no liquid remains. These whipped whites are ready to add cloud-like lift to your batter.

Step 6: Fold in the Egg Whites

Gently fold the whipped whites into the batter, taking care to preserve all that precious air. The resulting mixture should look light, fluffy, and smooth, with no chunks of egg white visible. This tenderizes the waffles and ensures a perfect rise in your waffle iron.

Step 7: Cook Your Waffles

Preheat your waffle iron and cook your batter in batches according to your iron’s directions. Depending on size and technique, you’ll get a varying number of waffles, but typically you can serve generous portions right away. If you’re cooking ahead, keep them warm in a 200°F (90°C) oven until ready to serve.

How to Serve Sourdough Discard Waffles Recipe

The image shows two square golden-brown waffles side by side, slightly separated in the middle, sitting inside a black waffle maker. Each waffle has a grid pattern with deep square pockets, and the texture looks crispy on top. The waffle maker has a smooth black frame with a shiny silver knob on the front right and blue indicator lights on the left. The surface beneath the waffle maker is a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

Garnishes

These waffles are a blank canvas that shine bright with classic toppings like pure maple syrup, fresh berries, or a dusting of powdered sugar. For a more indulgent touch, dollops of whipped cream or a smear of nut butter add wonderful richness.

Side Dishes

Round out your breakfast or brunch with crispy bacon or savory sausage links—both provide a salty counterpoint to the waffle’s gentle sweetness. Fresh fruit salad or sautéed greens also balance the plate delightfully for anyone craving something on the lighter side.

Creative Ways to Present

Try stacking these waffles high with layers of cream cheese and smoked salmon for a brunch twist or serve with a scoop of ice cream and a drizzle of chocolate sauce as a dessert waffle. The subtle sourdough tang means you can explore both sweet and savory options happily.

Make Ahead and Storage

Storing Leftovers

If you happen to have leftovers from this Sourdough Discard Waffles Recipe, stash them in an airtight container in the fridge for up to 2 days. This helps keep their crisp edges and soft inside intact for quick, delicious breakfasts on busy mornings.

Freezing

One of the great perks is these waffles freeze beautifully. Arrange cooled waffles in a single layer on a tray to freeze initially, then transfer to a zip-top bag or container. Frozen waffles stay good for up to 2 months, making meal prep easier and more convenient.

Reheating

For reheating, toaster ovens or regular toasters are fantastic for bringing the crispness back. Simply pop in frozen or chilled waffles until heated through and crisp on the outside. Avoid the microwave if you want to keep that delightful crunch.

FAQs

Can I use sourdough discard that has been refrigerated for several days?

Absolutely! This recipe works well with sourdough discard that’s been refrigerated for up to a week, as long as it smells pleasant and doesn’t show signs of mold. Older discard can actually add a tangier flavor to your waffles.

What if I don’t have apple cider vinegar? Can I use something else?

Yes, white vinegar works just as well as apple cider vinegar to curdle the milk. Lemon juice is another great substitute if you prefer a citrusy touch to your waffles.

Can I make this recipe dairy-free?

You can swap the whole milk for any plant-based milk like almond or oat milk and use a dairy-free butter alternative to keep these waffles dairy-free while still retaining great flavor and texture.

Why do I fold in whipped egg whites instead of mixing all eggs together?

Whipping and folding in the egg whites adds air into the batter, resulting in lighter, fluffier waffles. Mixing all eggs together doesn’t create the same lift and can lead to denser waffles.

How long does it take to make these waffles start to finish?

The entire process, from mixing to cooking, generally takes about 25 minutes, making this Sourdough Discard Waffles Recipe a wonderfully quick option when you want something homemade without a long wait.

Final Thoughts

This Sourdough Discard Waffles Recipe is truly a gem for anyone who loves homemade waffles with a little twist. It’s a joyful way to use up your sourdough discard, treat yourself to a comforting breakfast, and impress your family or friends without any fuss. I hope you enjoy making these as much as I do sharing them—once you try it, it’ll become a staple in your kitchen, too!