Peanut Butter Cake with chips of chocolate

1. Combine next four ingredients, blend at low speed until crumbly
(reserve one cup on the side)

2-1/2 c. flour
2 c. packed brown sugar
1 c. peanut butter
1/2 c. margarine or butter

2. Add next five ingredients to remaining crumbly mixture by blending at low speed until moist:
1 tsp. baking powder
1 tsp. baking soda
1 c. milk
1 tsp. vanilla
3 eggs

3. Beat 3 min. at medium speed
4. Pour into pan
5. Sprinkle the reserved crumbly mixture plus 1 c. semi sweet chocolate pieces over top
6. Bake in 13x9 in greased pan at 350 35-40 min.