Blueberry Banana Breakfast Muffins (Print Version)

# Ingredients:

→ Dry Ingredients

01 - 2 and 3/4 cups (330g) all-purpose flour
02 - 1 Tablespoon (14g) baking powder
03 - 1/2 teaspoon salt
04 - 1/4 teaspoon ground nutmeg
05 - 1/4 teaspoon ground cinnamon

→ Wet Ingredients

06 - 1 cup (227g) unsalted butter, melted and slightly cooled
07 - 1/2 cup (106g) light brown sugar, packed
08 - 1/2 cup (99g) granulated sugar
09 - 3 large eggs, room temperature
10 - 2 teaspoons pure vanilla extract
11 - 3/4 cup (170g) full-fat sour cream
12 - 1 cup (227g) mashed RIPE banana

→ Mix-ins and Toppings

13 - 1 pint (292g) fresh blueberries
14 - 1/2 cup toasted walnuts, finely chopped
15 - 2 Tablespoons sparkling sugar (optional)

# Instructions:

01 - Preheat oven to 400°F. Line a 12-cup muffin tin with paper liners and set aside
02 - In a large bowl, sift together flour, baking powder, nutmeg, cinnamon, and salt; set aside
03 - In another large bowl, whisk together melted butter, both sugars, eggs, vanilla extract, sour cream, and mashed bananas until fully incorporated
04 - Add dry ingredients to wet ingredients and, using a rubber spatula, mix until just combined. Do not over mix
05 - Fold in blueberries and walnuts, mixing just until combined
06 - Divide batter evenly among prepared muffin cups, filling each all the way to the top
07 - Press a few extra blueberries into the top of each muffin and sprinkle with sparkling sugar, if using
08 - Bake in center of middle rack for 24-26 minutes, until tops are puffed up and golden brown, and a toothpick inserted comes out clean or with few moist crumbs
09 - Cool muffins at least 15 minutes in the pan before serving warm or transferring to a cooling rack

# Notes:

01 - If your oven runs hot, bake at 375°F for 25-26 minutes
02 - Always bake muffins on the middle rack
03 - Place muffin tin on a baking sheet to prevent burnt bottoms