Rainbow Citrus Cake

This rainbow citrus cake recipe has a beautiful lemon, lime, and orange layer that is filled with a lemon curd and topped with an orange frosting.

• Preparation Time: 45 mins
• Cooking Time: 30 mins
• Total Time: 1 hr 15 mins
• Calories: 434 Calories

Ingredients

• 2 teaspoons vanilla extract
• 1 teaspoon salt
• 2 drops green food coloring
• 4 eggs, room temperature
• 5 teaspoons baking powder
• 2 teaspoons grated lemon zest
• 2 teaspoons grated orange zest
• 2 drops yellow food coloring
• 2 drops orange food coloring
• 2 teaspoons grated lime zest
• 1 recipe Lemon Custard Filling
• 1 recipe Orange Cream Frosting
• 1.5 cups milk
• 0.75 cup shortening
• 3.5 cups all-purpose flour
• 2.25 cups white sugar

Recipe Instructions

Step 1

Bake in the preheated oven until a toothpick inserted into the center of each cake layer comes out clean, about 30 minutes. Let cool in pan for 5 minutes, then turn out onto a wire rack and cool completely.

Step 2

Preheat the oven to 350 degrees F (175 degrees C). Grease and flour three 9-inch pans. Sift together flour, baking powder, and salt. Set aside.

Step 3

In a large bowl, cream together shortening and sugar until light and fluffy. Beat in eggs one at a time, mixing until each egg is incorporated; stir in vanilla. Beat in flour mixture alternately with milk. Divide batter into 3 bowls.

Step 4

In the first bowl, stir in lemon zest and yellow food coloring; pour into prepared pan. In the second bowl, stir in orange zest and orange food coloring; pour into second prepared pan. In the last bowl, stir in lime zest and green food coloring; pour into third prepared pan.

Step 5

Assemble the cake: stack layers together with Lemon Filling in between layers. Frost sides and top with Orange Cream Frosting. Refrigerate until serving.