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1
Heat oven to 350 degrees F.
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2
Spray 2 (8-inch) round pans with cooking spray; cover bottoms with parchment.
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3
Prepare cake batter as directed on package.
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4
Pour 1/3 of the batter into each of 2 medium bowls.
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5
Stir 3 Tbsp.
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6
lime flavor gelatin mix into batter in one bowl.
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7
Repeat with remaining gelatin mixes and remaining batter.
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8
Pour lime-flavored batter evenly into prepared pans.
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9
Drop tablespoonfuls of each of the remaining flavored batters alternately into green batter in pans; swirl gently.
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10
Bake 26 to 28 min.
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11
or until toothpick inserted in centers comes out clean.
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12
Cool cakes in pans 15 min.
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13
; remove to wire racks.
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14
Cool completely.
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15
Add 2/3 cup boiling water to remaining lime gelatin mix in small bowl; stir 2 min.
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16
until completely dissolved.
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17
Repeat with remaining berry blue and raspberry gelatin mixes in separate bowls.
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18
Refrigerate 20 min.
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19
or until thickened but not set.
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20
Add large spoonfuls of each gelatin flavor, side-by-side, to 8-inch round pan sprayed with cooking spray.
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21
Refrigerate 2 hours or until firm.
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22
Stack cake layers on plate, filling with 1/2 cup COOL WHIP.
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23
Spread top of cake with 1/2 cup of the remaining COOL WHIP.
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24
Run knife around rim of gelatin-filled pan; unmold onto cake.
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25
Spoon 1/2 cup of the remaining COOL WHIP into pastry bag fitted with large tip.
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26
Frost side of cake with remaining COOL WHIP.
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27
Use filled pastry bag to pipe COOL WHIP onto gelatin to resemble peace sign.
