Step 1

Preheat your oven to 350 degrees F.

Step 2

Add liners to a standard 12 cup muffin pan with liners or use nonstick cooking spray on each.

Step 3

In a mixing bowl, cream together butter and granulated sugar until creamy.

Step 4

Add in egg, buttermilk, and vanilla extract. Mix till combined.

Step 5

In a separate bowl, sift together the flour, baking powder, and salt.

Step 6

Slowly add the flour mix to the wet ingredients. Beat on low speed until combined.

Step 7

Add in about half of the diced strawberries to batter and gently fold in with a spoon.

Step 8

Fill the prepared muffin liners about 3/4 full. Top each muffin with the remaining strawberries.

Step 9

In a medium bowl or food processor add in brown sugar, granulated sugar, flour, and chilled butter.

Step 10

Stir with a fork or pastry blender. Or pulse 13-15 times in food processor until mixture looks crumbly.

Step 11

Sprinkle over the tops of muffins.

Step 12

Bake for 23-25 minutes in middle of oven. Muffin tops should be lightly browned and toothpick inserted in the center of the muffin should come out clean.