Sourdough Discard Chocolate Chip Muffins

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Introduction

These muffins are the perfect solution for your unfed sourdough starter, transforming discard into a tender, bakery-style treat. The sourdough adds a subtle tang that beautifully balances the sweetness of the chocolate chips. You’ll love how quickly they come together for an irresistible snack or breakfast.

Prep & Cook Time

Prep Time: 10 minutes

Cook Time: 22 minutes

Total Time: 32 minutes

Servings: 15 muffins

Ingredients

• 1/2 cup melted butter (salted)
• 1/2 cup granulated sugar
• 1/2 cup brown sugar
• 2 large eggs (room temperature)
• 1 teaspoon vanilla powder (use half this amount if you prefer less rich vanilla flavor)
• 1/2 cup buttermilk (room temperature)
• 1 cup sourdough discard
• 1 3/4 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 2 cups semi-sweet chocolate chips

Instructions

1. Preheat your oven to 375°F (190°C). Line a muffin tin with 15 paper liners.
2. In a large bowl, whisk together the melted butter, granulated sugar, and brown sugar until smooth.
3. Add the eggs, vanilla powder (use half this amount if you prefer less rich vanilla flavor), and buttermilk to the butter mixture. Whisk until fully combined and smooth.
4. Stir in the sourdough discard until the mixture is uniform.
5. In a separate medium bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt.
6. Gently fold the dry ingredients into the wet batter using a spatula. Mix only until just combined; a few streaks of flour are okay.
7. Fold in the 2 cups of chocolate chips until evenly distributed.
8. Divide the batter evenly among the 15 prepared muffin cups, filling each nearly to the top.
9. Bake for 20-22 minutes, or until the tops are golden and a toothpick inserted into the center of a muffin comes out clean or with just a few moist crumbs (melted chocolate may cling to the toothpick).
10. Allow the muffins to cool in the pan for 5 minutes, then transfer them to a wire rack to cool completely.

Variations

• Streusel Topping: Mix 1/4 cup flour, 1/4 cup brown sugar, and 2 tbsp softened butter with a fork until crumbly. Sprinkle over batter before baking.
• Marble Muffins: Reserve 1/3 of the batter, mix in 2 tbsp cocoa powder, then swirl into the filled muffin cups with a knife.
• Muffin Top Style: Bake the batter in a greased “muffin top” pan for about 12-15 minutes for a crispier, all-top texture.
• Double Chocolate: Replace 1/4 cup of the flour with 1/4 cup of unsweetened cocoa powder for a richer chocolate flavor.

Tips for Success

• Use room temperature eggs and buttermilk to ensure the melted butter doesn’t seize up and to help the batter rise evenly.
• Fill empty muffin cups in the pan halfway with water to ensure even baking and prevent the pan from warping.
• For bakery-style tall muffin tops, let the batter rest in the filled liners for 15 minutes before baking.

Storage & Reheating

Store completely cooled muffins in an airtight container at room temperature for up to 3 days. For longer storage, freeze them for up to 3 months. Reheat a muffin in the microwave for 15-20 seconds, or in a 350°F oven for 5-10 minutes to refresh the texture.

FAQ

Can I use active sourdough starter instead of discard?

Yes, you can. The recipe will work the same way, but the flavor will be less tangy.

My discard is very thick/liquid. Does it matter?

It’s fine. Sourdough discard can vary in hydration. Just measure it as a 1-cup volume regardless of its thickness.

Can I use regular milk instead of buttermilk?

This recipe is designed for the acid in buttermilk to react with the baking soda. For a substitute, add 1 1/2 teaspoons of white vinegar or lemon juice to a measuring cup, then fill to the 1/2 cup line with regular milk. Let it sit for 5 minutes before using.

Why do I need both baking powder and baking soda?

The baking soda reacts with the acidity in the sourdough discard and buttermilk for immediate lift, while the baking powder provides additional rise during baking for a light, airy crumb.

Can I make mini muffins with this batter?

Absolutely. Bake mini muffins at the same temperature for 10-12 minutes. This recipe will yield approximately 36-40 mini muffins.

What if I only have unsalted butter?

If using unsalted butter, increase the salt in the recipe to 3/4 teaspoon total.