Recipes Desserts Cakes Lemon Cake Recipes Rainbow Citrus Cake 4.3 (77) 64 Reviews 37 Photos This rainbow citrus cake recipe has a lemon layer, lime layer, and an orange layer. The filling is a lemon curd and the frosting is orange. Submitted by HILARY2000 Updated on July 14, 2022 Save Rate Print Share Close Add Photo 37 37 37 37 Prep Time: 45 mins Cook Time: 30 mins Additional Time: 1 hr 30 mins Total Time: 2 hrs 45 mins Servings: 12 Yield: 1 (9-inch) cake Jump to Nutrition Facts Cook Mode (Keep screen awake) Ingredients 3 ½ cups all-purpose flour 5 teaspoons baking powder 1 teaspoon salt ¾ cup shortening 2 ¼ cups white sugar 4 eggs, room temperature 1 ½ cups milk 2 teaspoons vanilla extract 2 teaspoons grated lemon zest 2 teaspoons grated orange zest 2 teaspoons grated lime zest 2 drops yellow food coloring 2 drops orange food coloring 2 drops green food coloring 1 recipe Lemon Custard Filling 1 recipe Orange Cream Frosting Directions 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. 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. 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. 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. Assemble the cake: stack layers together with Lemon Filling in between layers. Frost sides and top with Orange Cream Frosting. Refrigerate until serving. Tips Get the recipe for Lemon Custard Filling. Get the recipe for Orange Cream Frosting. I Made It Print 304 home cooks made it! Nutrition Facts (per serving) 434 Calories 15g Fat 68g Carbs 7g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 12 Calories 434 % Daily Value * Total Fat 15g 20% Saturated Fat 4g 21% Cholesterol 64mg 21% Sodium 380mg 17% Total Carbohydrate 68g 25% Dietary Fiber 1g 4% Total Sugars 39g Protein 7g 14% Vitamin C 1mg 2% Calcium 135mg 10% Iron 2mg 12% Potassium 111mg 2% * Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ** Nutrient information is not available for all ingredients. Amount is based on available nutrient data. (-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.