2/3 c. shortening
2/3 c. cocoa
2 c. sugar
4 eggs
1 c. flour
1 tsp. baking powder
1/2 tsp. salt
2 tsp. vanilla
3/4 c. chopped nuts

TOPPING:

8 oz. cream cheese
1 egg
1/4 c. sugar
1 tsp. vanilla
1 c. chocolate chips

Melt shortening in saucepan over low heat. (This can be done in microwave in glass bowl.) Remove from heat and stir in cocoa and sugar. Add eggs, one at a time; beat well after each addition. Add flour, powder, salt, and nuts. Beat well. Add vanilla. Spread in greased 9 x 13 inch pan. Beat topping ingredients together in small bowl and drop by spoonfuls onto batter, marble by pulling a knife through topping and batter. Top with chocolate chips. Bake at 350 degrees for 30-35 minutes.