Blueberry Muffins

12 muffins. Preheat oven to 350.

1/4 cup butter, room temp.
3/4 cup sugar
2 eggs
1/2 cup milk
1 tsp vanilla
2 cups flour
2 tsp baking powder
1/4 tsp salt

Fold in 2 cups blueberries (I often use frozen ones thawed)

Bake 20-25 minutes. Let cool in tin for 10-15 minutes before serving.