Rainbow Layer Cake With Buttercream Frosting

Name: Rainbow Layer Cake With Buttercream Frosting
Prep time: 30 min
Cook time: 1 h 30 min
Total time: 2 h
Yield: 1 6- layer cake, 10 serving(s)
Ingredients: 2 (1020.58 g) box betty crocker supermoist white cake mix; 473.18 ml water; 236.59 ml vegetable oil; 6 eggs; 2 betty crocker gel food coloring; 236.59 ml shortening; 236.59 ml butter, softened; 907.18 g bag powdered sugar; 9.85 ml vanilla; 44.37-59.16 ml milk

Submitted by K_Michele86

"Blogger Angie McGowan of Eclectic Recipes shared a beautiful rainbow layer cake that’s perfect for kids birthday parties—especially half birthdays!—or to add a fun and fabulous touch to any celebration."

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photo by K_Michele86

Ready In:: 2hrs
Ingredients:: 10
Yields:: 1 6- layer cake
Serves:: 10

ingredients

2 (1020.58 g) box betty crocker supermoist white cake mix
473.18 ml water
236.59 ml vegetable oil
6 eggs
2 betty crocker gel food coloring
236.59 ml shortening
236.59 ml butter, softened
907.18 g bag powdered sugar
9.85 ml vanilla
44.37-59.16 ml milk

directions

Heat oven to 350°F Spray 3 (8-inch) round cake pans with cooking spray.
In large bowl, beat cake mix, water, oil and eggs with electric mixer on low speed 30 seconds, then on medium speed 2 minutes, scraping bowl occasionally. Divide batter evenly among 6 small bowls, about 1 1/3 cups each.
Using food colors, tint batter in 1 bowl blue, 1 bowl red, 1 bowl green, 1 bowl yellow, 1 bowl orange (using red and yellow) and 1 bowl purple (using blue and red).
Refrigerate 3 colors of batter until ready to bake. Pour remaining 3 colors of batter into cake pans.
Bake 18 to 20 minutes or until cake springs back when touched lightly in center and begins to pull away from side of pan. Cool 10 minutes. Remove from pans to cooling racks; cool completely.
Wash cake pans. Bake and cool remaining 3 cake layers as directed.
In large bowl, beat shortening and butter with electric mixer on medium speed until light yellow. On low speed, gradually beat in powdered sugar. Beat in vanilla. Add milk, 1 tablespoon at a time, beating until frosting is smooth. Beat on high speed until light and fluffy.
Trim rounded tops off cakes to level, if needed. On serving plate, place purple cake layer. Spread with frosting to within 1/4 inch of edge. Repeat with blue, green, yellow, orange and red cake layers. Spread light coat of frosting on top and side of cake to seal in crumbs, then frost with remaining frosting.