1 pkg. fudge marble cake mix
1/3 c. oil
3 eggs
2 (8 oz.) cream cheese, softened
1 c. ricotta or cottage cheese
1/2 c. sugar
1/2 c. sour cream
1/2 c. whipping cream

Heat oven to 350 degrees. Grease 13 x 9 inch pan. Reserve 1 cup dry cake mix and marble pouch; set aside. In large bowl, combine remaining cake mix, oil, and 1 egg at low speed until soft dough forms. Press in bottom and 1 1/2 inch up side of prepared pan. Bake at 350 degrees for 10 minutes.

In large bowl, combine reserved 1 cup cake mix, 2 eggs, cream cheese, ricotta, sugar, sour cream, and whipping cream at low speed until blended; beat 3 minutes at medium speed until creamy. Reserve 1 1/2 cup cheese mixture. Spoon remaining cheese mixture over base. Add reserved marble pouch to reserved cheese mixture; blend well. Spoon chocolate mixture randomly over cheese mixture. Pull knife through batter in wide curves; turn pan and repeat for marble effect.

Bake at 350 degrees for 30-40 minutes or until top springs back when touched lightly in center. DO NOT OVER BAKE. To prevent cracking, immediately run knife around edge of pan. Cool completely. Refrigerate until serving time. Store in refrigerator. 15 serving or 36 bars.