Ingredients
Cooking spray, for pan
1 box vanilla cake mix, plus ingredients called for on box
Purple, teal, and pink food coloring
1 14-oz. can sweetened condensed milk
1 c. butter, softened
1 1/2 c. powdered sugar
1 7-oz. jar marshmallow fluff
1 tsp. pure vanilla extract
pinch of kosher salt
5 drops pink food coloring
Sprinkles, for decorating
Preparation
Step 1Preheat oven to 350º and grease a 9"-x-13" cake pan with cooking spray. Prepare cake batter according to package directions. Divide mixture into 3 bowls. In one bowl, add purple food coloring, in the second bowl add teal food coloring, and in the third bowl add pink food coloring. Step 2Pour pink batter in prepared cake pan and spread to make an even layer. Top with purple batter and then teal batter. Step 3Bake until a toothpick inserted in the center comes out clean, 24 to 25 minutes.Step 4Let cake cool slightly, then use the bottom of a wooden spoon to poke holes all over cake.Step 5Pour sweetened condensed milk all over poke holes.Step 6Make frosting: In a large bowl using a hand mixer, beat together butter, powdered sugar, marshmallow fluff, vanilla, and salt. Add pink food coloring until you reach your desired color and beat until fully combined.Step 7Frost cake and decorate all over with sprinkles.
