# Components:
→ Dry Ingredients
01 - 2 cups all-purpose flour
02 - 1 teaspoon baking powder
03 - 1/2 teaspoon baking soda
04 - 1/2 teaspoon salt
05 - 1 teaspoon ground cinnamon
→ Wet Ingredients
06 - 2 large eggs
07 - 3/4 cup brown sugar, packed
08 - 1/2 cup unsalted butter, melted and cooled
09 - 1/2 cup whole milk
10 - 1 teaspoon vanilla extract
→ Add-Ins
11 - 1 1/2 cups apples, peeled and finely diced
12 - 3/4 cup walnuts, coarsely chopped
# Method steps:
01 - Set oven to 350°F and line a 12-cup muffin tin with paper liners.
02 - Whisk flour, baking powder, baking soda, salt, and cinnamon in a large bowl until evenly distributed.
03 - In a separate bowl, whisk eggs, brown sugar, melted butter, milk, and vanilla extract until fully incorporated.
04 - Add wet ingredients to the flour mixture, stirring gently until just combined. Do not overmix.
05 - Carefully fold diced apples and chopped walnuts into the batter.
06 - Spoon batter evenly into lined muffin cups, filling each about 3/4 full.
07 - Place pan in the preheated oven and bake for 22-25 minutes, or until a toothpick inserted into the center comes out clean.
08 - Allow muffins to cool in the tin for 5 minutes, then transfer to a wire rack to cool completely before serving.
