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Rainbow Layer Cake

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video by: kraft
A mix of fruity JELL-O flavors gives this impressive layer cake its rainbow of colors. And making one is a whole lot easier than you might think!
40 min
5 hr
24 servings

What You Need

pkg.  (2-layer size each) white cake mixes, divided
Tbsp.  (1/2 of 3-oz. pkg.) each JELL-O Raspberry Flavor Gelatin, Orange Flavor Gelatin, Lime Flavor Gelatin and Berry Blue Flavor Gelatin
cup  powdered sugar
tub  (8 oz.) COOL WHIP Whipped Topping, thawed

Make It

HEAT oven to 350ºF.

GREASE and flour 2 (9-inch) round pans; cover bottoms with parchment. Prepare cake batter from 1 pkg. cake mix as directed on package. Pour half into separate bowl. Add dry raspberry gelatin mix to batter in one bowl; mix well. Stir dry orange gelatin mix into remaining batter. Pour into prepared pans.

BAKE 28 to 30 min. or until toothpick inserted in centers comes out clean. Cool cakes in pans 15 min.; remove from pans to wire racks. Cool completely.

REPEAT with remaining cake mix and dry gelatin mixes, washing cake pans between uses.

MIX sour cream and sugar in large bowl until blended; gently stir in COOL WHIP. Stack cake layers on plate, spreading 1/3 cup COOL WHIP mixture onto each cake before covering with next layer. Frost top and side of cake with remaining COOL WHIP mixture. Refrigerate 2 hours.

Kraft Kitchens Tips

How to Neatly Cut the Cake
Make sure cake is chilled before serving. Then, use a serrated knife dipped in hot water to cut the cake, carefully wiping blade with clean damp towel between cuts to prevent the filling from building up on the blade.
Make Ahead
Prepare cakes as directed; cool completely. Tightly wrap each layer in plastic wrap and freeze up to 2 weeks. When ready to serve, thaw cakes at room temperature before preparing COOL WHIP mixture and using to frost cakes.
How to Use Leftover Gelatin
Dissolve each of the 4 remaining gelatin mix flavors in 1 cup boiling water, using separate bowl for each flavor. Pour half of each flavor gelatin into one of 8 small dessert dishes. Refrigerate until firm. Top with additional thawed COOL WHIP Whipped Topping just before serving. Makes 8 servings.
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