SOUR CREAM CHOCOLATE CHIP MUFFINS

 Mix in Bowl A:

1 1/2 cups flour                         

2/3 cup sugar

3/4 tsp. baking soda                            

3/4 tsp. baking powder

Mix in Bowl B:

1 egg                                      

5 Tbsp. butter

1 cup sour cream                  

1 tsp. vanilla

Other ingredient:

3/4 cup chocolate chips

Combine bowls A & B.  Fold in chocolate chips.  Fill greased muffin tins 3/4 full.  Bake at 350º for about 15 to 20 minutes or until done.