Cheesy Lemon Bars(Or Chocolaty Chocolate Bars)  
["1 pkg. lemon cake mix (chocolate)", "1/2 c. butter or margarine, melted", "3 eggs", "1/4 c. lemon juice (1/2 c. buttermilk for chocolate)", "1/2 box powdered sugar", "1 pkg. cream cheese, softened (8 oz.)"]
["Combine cake mix,", "butter", "and\t1", "egg.", "Pat", "into 13 x 9-inch greased pan.", "Blend lemon juice or buttermilk, powdered sugar and cream cheese.", "Add\t2", "eggs and beat 3 to 5 minutes. Spread over base.", "Bake", "at", "350\u00b0", "for 30 to 40 minutes.", "Cool and cut into bars."]
["lemon cake", "butter", "eggs", "lemon juice", "powdered sugar", "cream cheese"]