# What You’ll Need:
→ For the Muffins
01 - 2 cups all-purpose flour
02 - 2 teaspoons baking powder
03 - 1/2 teaspoon baking soda
04 - 1/4 teaspoon salt
05 - 1/2 cup unsalted butter, melted and cooled
06 - 3/4 cup granulated sugar
07 - 2 large eggs
08 - 1/2 cup whole milk
09 - 1/4 cup sour cream or plain yogurt
10 - 1 teaspoon vanilla extract
11 - 1 tablespoon finely grated lemon zest
12 - 1 1/2 cups fresh strawberries, hulled and diced
→ For the Crumble Topping
13 - 1/2 cup all-purpose flour
14 - 1/3 cup light brown sugar, packed
15 - 1/4 cup unsalted butter, cold and cubed
16 - 1/4 teaspoon salt
17 - 1/2 teaspoon finely grated lemon zest
# Step-by-Step Guide:
01 - Preheat oven to 375°F. Line a 12-cup muffin pan with paper liners or grease thoroughly.
02 - In a medium bowl, whisk together flour, baking powder, baking soda, and salt. Set aside.
03 - In a large bowl, whisk melted butter and sugar until combined. Add eggs one at a time, whisking thoroughly after each addition.
04 - Stir in milk, sour cream, vanilla extract, and lemon zest until smooth.
05 - Gently fold dry ingredients into wet mixture until just combined, being careful not to overmix.
06 - Fold in diced strawberries until evenly distributed throughout the batter.
07 - Divide batter evenly among muffin cups, filling each approximately three-quarters full.
08 - In a small bowl, combine flour, brown sugar, salt, and lemon zest. Add cold butter and mix with a fork or fingertips until mixture resembles coarse breadcrumbs.
09 - Sprinkle crumble mixture evenly over batter in each muffin cup.
10 - Bake for 22 to 25 minutes, or until tops are golden brown and a toothpick inserted into the center comes out clean.
11 - Allow muffins to cool in pan for 5 minutes, then transfer to a wire rack to cool completely.