Cake Mix Brownies - cooking recipe

Ingredients

2 eggs
1 tsp. vanilla
2/3 c. shortening
1 pkg. yellow cake mix
1/2 c. nuts (optional)
1 (6 oz.) pkg. semi-sweet chocolate chips
1 (6 oz.) pkg. peanut butter chips

Preparation

Beat eggs, vanilla, shortening and about 1/2 the cake mix until light and fluffy.
Stir in remaining cake mix, chips and nuts.
Bake in ungreased oblong pan in 375\u00b0 oven for 20 minutes.