Chocolate Cake Muffins that taste like a bakery favorite
These jumbo Costco-style double chocolate muffins are rich, moist, and loaded with chocolate chips — just like the bakery favorite, made at home.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Total Time: 40 minutes
- Yield: 6 jumbo or 12 regular muffins 1x
Ingredients
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2 cups all-purpose flour
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¾ cup unsweetened cocoa powder
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1 tbsp baking powder
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½ tsp baking soda
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½ tsp salt
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¾ cup granulated sugar
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½ cup brown sugar
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2 large eggs
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1 cup buttermilk or whole milk
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½ cup vegetable oil
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¼ cup sour cream or Greek yogurt (optional)
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1½ tsp vanilla extract
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1 cup semi-sweet chocolate chips
Instructions
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Preheat oven to 375°F. Line a jumbo muffin pan with liners or grease well.
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Whisk flour, cocoa, baking powder, baking soda, and salt in a large bowl.
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In another bowl, whisk eggs, sugars, buttermilk, oil, sour cream, and vanilla.
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Add wet ingredients to dry. Fold until just combined. Fold in chocolate chips.
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Divide batter into muffin cups, filling ¾ to full. Top with extra chips.
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Bake 22–26 minutes (jumbo) or 16–20 (standard), until a toothpick comes out with moist crumbs.
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Cool in pan for 5–10 minutes, then transfer to a wire rack.
Notes
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Store at room temp for 3 days or freeze up to 2 months.
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Add espresso powder for deeper chocolate flavor.
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For standard muffins, yield is 12–14.