1 1/3 c. flour
3/4 tsp. baking powder
3/4 tsp. baking soda
1/2 tsp. salt
1/3 c. softened butter
2/3 c. sugar
1 tsp. vanilla
2 eggs
2/3 c. sour cream
1 c. Little Bits chocolate chips

Combine flour, baking powder, soda and salt. In a bowl beat butter, sugar and vanilla. Add eggs, one at a time. Beat until fully blended. Gradually add flour, alternately with sour cream. Fold in chocolate bits. Spoon into paper lined muffin cups.

TOPPING:

1/4 c. brown sugar
1 tbsp. melted butter
1 tsp. flour
1/4 c. chopped nuts

Mix thoroughly and spoon on top of muffin dough. Bake in 375 degree oven for 20 to 25 minutes.