Peanut Butter Brownies

Thanks to my good friend Kelly for this recipe. These are SO good.

2 1/2 c. flour
1 1/2 t. baking powder
1/2 t. salt
1 3/4 c. brown sugar
1 c. peanut butter
1/2 c. margarine or butter
3 eggs
2 t. vanilla
3 1-oz. squares semi sweet chocolate
1 1-oz. square unsweetened chocolate
1 6 oz. package or about 1 c. semi-sweet chocolate chips

Heat oven to 350 degrees. Mix flour, baking powder, salt, set aside. At medium speed, beat brown sugar, butter, peanut butter until smooth 2 minutes. On low beat in eggs and vanilla. Bear in flour mix until combined. Place 1 3/4 c. dough in seperate bowl. Stir in melted chocolate squares into remaining dough until blended. Fold in 3/4 c. semi sweet chips. Pat 1/2 chocolate dough in 13x9 cake pan. Drop peanut butter dough in random pattern for 2nd layer. Pat down. Sprinkle remaning chocolate dough and chocolate chips on top. Bake 25-30 minutes until toothpick inserted in middle is clean.