Chocolate Tres Leches Cake
1 package (2-layer size) white cake mix
4 squares Semi-Sweet Chocolate, divided
1 (14 ounce) can sweetened condensed milk
1 (12 fluid ounce) can evaporated milk
1/2 cup Sour Cream
1 cup thawed Whipped Topping
Prepare cake batter and bake in 13x9-inch pan as directed on package. Cool cake in pan 10 minutes. Pierce cake with large fork at 1/2-inch intervals.
Melt 3 chocolate squares as directed on package; set aside. Blend milks and sour cream in blender until smooth. Add melted chocolate; blend well. Pour over cake, re-piercing cake if necessary until milk mixture is absorbed. Refrigerate 1 hour.
Meanwhile, make curls from remaining chocolate square. Frost cake with COOL WHIP; top with chocolate curls. Keep refrigerated.