Muffin Ingredients:

1/2 cup - Real butter
1 cup - Sugar
2 - Eggs
1 teaspoon - Real vanilla extract
1 tablespoons - Baking powder
1/4 teaspoon - Salt
2 cups - All purpose flour
1/2 cup - Milk
2 cups - Real blueberries

Crumb Topping Ingredients:
1/4 cup - Flour
1/4 cup - Sugar (or brown sugar)
1 1/2 teaspoons - Real butter

Glaze Ingredients:
1 cup Powdered Sugar
1/2 teaspoons Vanilla
Water, milk or juice