Name: Soft Sourdough Discard Burger Buns Recipe
Prep time: 20 min
Cook time: 17 min
Total time: 2 h 5 min
Cuisine: American
Ingredients: 1 cup warm water; 1/3 cup sourdough discard (room temperature, 100g); 1/4 cup whole milk (room temperature); 1 egg yolk (room temperature); 2 tablespoons unsalted butter (softened and cubed, 28g); 1 egg (for egg wash); 2 1/4 teaspoons active dry yeast (12g); 4 tablespoons sugar (55g); 4 1/4 cups all-purpose flour (510g); 2 teaspoons salt; Sesame seeds (to taste)

Print Recipe· 3.8 from 8 reviews

If you love the tangy aroma and rich flavor of sourdough but hate wasting your starter discard, this Soft Sourdough Discard Burger Buns Recipe is your new best friend. These buns are unbelievably soft and tender with just the right amount of bounce, perfect for any burger or sandwich creation. Using your sourdough discard not only adds depth of flavor but transforms it into a kitchen treasure, making every bite a warm, comforting experience that feels like a hug from the inside out.

Ingredients You’ll Need

The image shows various baking ingredients arranged on a white marbled surface. In the center, there is a medium white bowl filled with white all-purpose flour. Above it, a small clear glass bowl contains white milk, and to the right, a clear measuring jug holds water. Around these, smaller clear glass bowls hold white granulated sugar, white salt, and creamy white sourdough discard with a thick texture. A small glass bowl contains a yellow cube of butter. There is also a small bowl with pale beige baker’s yeast granules and a small clear jar of sesame seeds. To the left of the flour bowl, a single brown egg is placed directly on the surface. Each item is clearly visible with simple colors and textures, all neatly arranged. photo taken with an iphone --ar 4:5 --v 7

These ingredients are simple pantry staples, yet each one plays a vital role in creating the fluffy texture, beautiful golden color, and that unmistakable sourdough nuance in your buns. From yeast that helps the dough rise to the egg wash that adds the perfect shine, every detail counts.

Warm water: Activates the yeast gently and helps form the dough.
Active dry yeast (2 1/4 teaspoons): Responsible for giving your buns a fluffy and light rise.
Sugar (4 tablespoons): Feeds the yeast and adds subtle sweetness to balance the sourdough flavor.
Sourdough discard (1/3 cup): Brings that unique tang and depth of flavor to your burger buns.
Whole milk (1/4 cup): Adds richness and tenderness to the crumb.
Egg yolk (1): Enhances texture and helps with overall dough structure.
Unsalted butter (2 tablespoons): Softened and cubed, it enriches the dough and makes the buns melt-in-your-mouth soft.
All-purpose flour (4 1/4 cups): The backbone of your burger buns, providing the right balance between chew and fluff.
Salt (2 teaspoons): Enhances all the flavors and controls yeast activity for an even rise.
Sesame seeds: Optional, but adds that classic burger bun look and a subtle nutty crunch.
Egg (1, for egg wash): Creates a glossy, golden top that’s irresistible at first glance.

How to Make Soft Sourdough Discard Burger Buns Recipe

Step 1: Bloom the Yeast

Begin by mixing your warm water, sugar, and active dry yeast in a stand mixer bowl or large bowl. Let it rest until it starts bubbling and blooming—this is the yeast waking up and getting ready to do its magic. This step is crucial because it guarantees that your dough will rise beautifully and have a delicate, airy crumb.

Step 2: Combine Ingredients and Knead

Add the milk, softened butter, sourdough discard, egg yolk, flour, and salt into the bowl with the yeast mixture. Using a dough hook on low speed, knead until the dough passes the windowpane test, meaning it stretches thinly without tearing. This kneading builds gluten, ensuring your buns get that perfect chewy but soft texture.

Step 3: First Rise

Once kneaded, cover your dough with cling wrap or a damp tea towel, and let it rest in a warm spot for about an hour or until it doubles in size. This rising period lets the yeast ferment and develop flavor while giving the dough a lovely fluffiness essential for the Soft Sourdough Discard Burger Buns Recipe.

Step 4: Shape the Buns

Turn your risen dough onto a lightly floured surface and divide it into 8 equal portions, each weighing about 123-125 grams. Roll each piece into a smooth ball, then place them on a baking sheet to rise again for 30 minutes or until noticeably puffy. This second rise ensures your buns will be pillowy soft and uniform.

Step 5: Egg Wash and Bake

Brush each bun gently with an egg wash for that beautiful golden sheen, then sprinkle with sesame seeds if using. Bake at 400 degrees Fahrenheit on the middle or upper rack for 15 to 17 minutes, rotating halfway through for even browning. Your kitchen will fill with the most inviting scent as the crust turns golden, signaling your buns are ready to shine in any burger celebration.

How to Serve Soft Sourdough Discard Burger Buns Recipe

There are eight smooth, round dough balls placed evenly on light gray baking paper, arranged in a pattern with three at the top, two in the middle, and three at the bottom. Each dough ball is pale beige with a soft and slightly textured surface, sitting on a white marbled background that is only partially visible around the edges. The lighting is natural and soft, highlighting the gentle contours of the dough. photo taken with an iphone --ar 4:5 --v 7

Garnishes

These buns are your canvas—pile on fresh lettuce, ripe tomato slices, crisp pickles, or a generous smear of mayo or aioli. The rich flavor of the sourdough pairs beautifully with hearty cheeses like sharp cheddar or melted Swiss. Don’t forget a touch of mustard or ketchup depending on your mood; these buns hold toppings like a dream without falling apart.

Side Dishes

Serve alongside hand-cut fries, sweet potato wedges, or a zesty coleslaw for the ultimate burger experience. A fresh green salad with vinaigrette balances the richness of the buns and meat perfectly. If you want to play up the sourdough theme, a simple dill pickle or tangy kimchi complements the subtle tang of the buns brilliantly.

Creative Ways to Present

Try using these buns to create sliders for a party platter or stuffing them with crispy fried chicken, avocado, and spicy mayo for a modern twist. They also make excellent breakfast sandwiches loaded with eggs, bacon, and cheese. Because they’re soft but sturdy, you can get creative with fillings without worrying about your buns falling apart mid-bite.

Make Ahead and Storage

Storing Leftovers

If you have leftover buns (which might be hard to believe!), store them in an airtight container at room temperature for up to two days. This keeps them soft and fresh enough for your next meal but be sure to keep them away from direct sunlight or moisture that could cause them to spoil faster.

Freezing

To enjoy your Soft Sourdough Discard Burger Buns Recipe later, freeze the fully cooled buns in a zip-top bag or airtight container. They freeze beautifully for up to three months. Just thaw them on the counter when you’re ready to use, and they’ll almost taste fresh-baked!

Reheating

For best results, warm your buns in the oven at 300 degrees Fahrenheit for 5 to 7 minutes or lightly toast them in a skillet. This revives their softness and enhances the crust’s slight crunch, bringing back those bakery-fresh vibes every time.

FAQs

Can I use active sourdough starter instead of discard?

Yes, you can swap active starter for discard, but you may want to reduce the yeast slightly since the active starter has more leavening power. Adjusting helps keep the buns from rising too quickly and developing the perfect texture.

Do I need a stand mixer for this recipe?

A stand mixer makes kneading easier and more consistent, but you can absolutely knead by hand. Just prepare for about 10 to 15 minutes of elbow grease until the dough feels smooth and elastic.

Can I make this recipe gluten-free?

This version relies heavily on gluten development, so it’s not suitable for a gluten-free diet as-is. However, experimenting with gluten-free blends and xanthan gum might get you close if you’re feeling adventurous.

Why do I need to brush the buns with egg wash?

The egg wash adds that gorgeous golden color and slight sheen on top, making your buns look professional and inviting. It also helps sesame seeds stick better if you use them.

Can I add other toppings besides sesame seeds?

Definitely! Poppy seeds, everything bagel seasoning, or even a sprinkle of sea salt can add extra flavor and texture. Or leave them plain if you prefer a simple bun that lets your fillings shine.

Final Thoughts

There is something truly special about baking bread at home, especially when you transform your sourdough discard into something as delightful and versatile as these Soft Sourdough Discard Burger Buns Recipe. They bring a little extra rustic charm and fantastic flavor to your sandwiches, making any meal feel like a celebration. I can’t wait for you to try them out and see just how comforting and delicious homemade burger buns can be!