Prep time: 10 minutes
Baking time: 20 minutes
1. Preheat the oven to 350 degrees. Fill a muffin tin with 8 cupcake liners.
2. In a large bowl, beat butter and sugar 1 minute. Add egg and vanilla; beat 1 minute. In a bowl, sift flour, baking powder, and salt.
3. Add half the dry ingredients to butter mixture; beat 30 seconds. Add milk, then remaining dry ingredients. Beat 1 minute, or until batter is smooth. Pour batter into cups. Sprinkle berries on top.
4. In a bowl, combine topping ingredients. With fingers, rub mixture together until it resembles crumbs. Spread over berries. Bake 20 minutes, or until a toothpick inserted into center comes out clean.
How kids can help: Measure ingredients; top batter with berries; sprinkle on topping.