GREASE and lightly flour 2 (9x13-inch) baking pans (or 1 pan for trial recipe.)
COMBINE dry ingredients and spices in a large bowl; set aside.
MIX 16 oz. DELIGHTS (or 8 oz. for trial recipe), milk, eggs and vanilla in a 2 quart measure.
MIX butter and dry ingredients with electric mixer on low speed until combined. Beat on medium speed until mixture forms pebble-sized pieces. Add 1/3 of the milk mixture; beat on low speed until smooth. Add another 1/3 of the milk mixture; beat on medium speed until incorporated. Add remaining milk mixture; beat until smooth. Add sugar; blend 30 seconds. Pour batter into 2 prepared cake pans.
BAKE on middle rack of a 350ºF standard oven 40 min. or until toothpick inserted in center comes out clean. Cool in pan 5 min. Run knife around the pan to loosen cake. Invert onto cooling rack; cool completely.
MIX 1.5 lbs. cream cheese and 1.5 lbs. Delights (or 12 oz. of each for trial recipe) until blended. Spread evenly onto 2 cakes.