Description
Indulge in the rich and decadent flavor of these homemade Costco chocolate muffins. These bakery-style jumbo muffins are loaded with semi-sweet chocolate chips, making them a chocolate lover’s dream.
Ingredients
Scale
Dry Ingredients:
- 2 cups all-purpose flour
- 1 cup unsweetened cocoa powder
- 1 tablespoon baking powder
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
Wet Ingredients:
- 1 1/2 cups granulated sugar
- 2 large eggs
- 1 cup sour cream
- 1/2 cup milk
- 1/2 cup vegetable oil
- 1 tablespoon vanilla extract
- 1 1/2 cups semi-sweet chocolate chips (plus extra for topping)
Instructions
- Preheat the oven: Preheat to 375°F and line a muffin tin with paper liners.
- Prepare dry ingredients: Whisk flour, cocoa powder, baking powder, baking soda, and salt in a bowl.
- Combine wet ingredients: Beat sugar, eggs, sour cream, milk, oil, and vanilla until smooth.
- Mix batter: Gradually add dry ingredients to wet, then fold in chocolate chips.
- Bake: Fill muffin cups, top with extra chocolate chips, and bake 18–22 minutes.
- Cool: Let cool in pan for 5 minutes, then transfer to a wire rack.
Notes
- Flavor develops more the next day.
- Rest batter for a bakery-style dome.
- Muffins can be frozen for up to 3 months.
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 muffin
- Calories: 480
- Sugar: 30g
- Sodium: 280mg
- Fat: 24g
- Saturated Fat: 9g
- Unsaturated Fat: 13g
- Trans Fat: 0g
- Carbohydrates: 60g
- Fiber: 4g
- Protein: 6g
- Cholesterol: 55mg
