Preheat the oven and grease up a cupcake tin.
Blend chopped strawberries into a puree and put it aside.
Mix together flour and baking powder in a bowl.
Beat butter and sugar together until it is combined.
Add strawberry puree and then mix the flour gradually into it.
Then add milk and eggs too.
Pour the batter into the tin and bake until a toothpick comes out clean.