Raspberry White Choc Muffin

Ingredients

Streusel:
2 tablespoons butter
1/4 cup flour
1/4 cup brown sugar
Muffins:
1/2 cup butter
1/2 cup sugar
1 egg
1/2 cup milk
1 1/4 cup flour
2 teaspoons baking powder
1 cup white chocolate chips
1 cup fresh raspberries

Preparation method