01 -
Preheat oven to 375°F (190°C). Line a 12-cup muffin tin with paper liners or grease with butter.
02 -
In a large bowl, whisk together flour, sugar, baking powder, and salt until well combined.
03 -
In a separate bowl, whisk together melted butter, egg, milk, and vanilla extract until smooth.
04 -
Pour the wet ingredients into the dry ingredients and gently fold together until just combined. Do not overmix.
05 -
Gently fold in the diced strawberries, being careful not to overmix the batter or crush the berries.
06 -
Divide the batter evenly among the muffin cups, filling each about 2/3 full.
07 -
Bake for 20-25 minutes, or until the tops are golden brown and a toothpick inserted in the center comes out clean.
08 -
Cool in the pan for 5 minutes, then transfer to a wire rack to cool completely. Dust with powdered sugar before serving.