Fresh Strawberry Muffins

1/2 cup butter, softened
3/4 cup sugar
1 egg
2 cups flour
2 tsp baking powder
1/2 tsp salt
1/2 cup milk
1/2 tsp vanilla
1 1/2 cups chopped strawberries
3 tsp sugar
1/2 tsp cinnamon

-Cream butter and sugar. Add egg and mix well.
-Sift flour, baking powder, and salt in a small bowl. Add flour mixture and milk alternately to butter mixture. Add vanilla. Gently stir in strawberries.
-Spoon batter into muffin pans.
-Combine sugar and cinnamon and sprinkle over muffins.
-Bake at 400º for 20-25 minutes.
-Makes one dozen muffins.