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Rock Candy Cake

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By Betty Crocker Kitchens
Updated Sep 20, 2016
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The frosting on this cake is a Swiss meringue buttercream. It spread nicely and is quite delicious. Use it for other cakes and cupcakes too.

Rock Candy Cake

  • Prep Time 1 hr 15 min
  • Total 2 hr 40 min
  • Servings 16
  • Ingredients 9
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Ingredients

Cake

  • 1 box white cake mix with pudding in the mix
  • Water, oil and egg whites called for on cake mix box

Frosting

  • 5 egg whites
  • 1 1/4 cups sugar
  • 1 1/2 cups butter, softened and cut into 1-inch pieces
  • 1/2 teaspoon vanilla

Filling

  • 1 package (8 oz) cream cheese, softened
  • 1/2 cup blueberry preserves

Decoration

  • Crushed pink, light blue and purple rock candy

Instructions

  • Step 
    1
    MAKE CAKE, FROSTIG AND FILLING: Heat oven to 350°F (325° F for dark or nonstick pans). Grease 2 (8- or 9-inch) round pans with cooking spray or shortening. Make and bake cakes as directed on box with water, oil and egg whites. Cool in pans 10 minutes; remove from pans to cooling racks. Cool 20 minutes. Refrigerate layers 45 minutes for easier handling.
  • Step 
    2
    Meanwhile, in small saucepan over medium heat, combine egg whites and sugar. Cook, stirring frequently, until egg whites reach 160° F. Remove from heat, transfer to electric mixer fitted with a whisk attachment. Whisk egg whites on high until white and shiny and the bowl of the electric mixer is no longer warm, about 8 to 10 minutes. Add butter, one piece at a time, until mixture is smooth and shiny. If mixture separates, continue to whisk until it comes together. Add vanilla. Reserve 1/2 cup frosting.
  • Step 
    3
    In small bowl, beat together cream cheese and blueberry preserves with electric mixer at low until well combined. Fold in reserved frosting.
  • Step 
    4
    ASSEMBLE AND DECORATE: Using serrated knife, cut rounded top off cakes to make a level surface. Cut each layer in half horizontally to make 4 layers total. Fill each layer with 2/3 cup blueberry mixture. Frost side and top of cake with remaining frosting. Press crushed rock candy up sides of cake with hands.

Nutrition

450 Calories
28g Total Fat
4g Protein
46g Total Carbohydrate
21g Sugars

Nutrition Facts

Serving Size: 1 Serving
Calories
450
Calories from Fat
250
Total Fat
28g
43%
Saturated Fat
15g
75%
Trans Fat
1g
Cholesterol
60mg
20%
Sodium
430mg
18%
Potassium
80mg
2%
Total Carbohydrate
46g
15%
Dietary Fiber
0g
0%
Sugars
21g
Protein
4g
% Daily Value*:
Vitamin A
15%
15%
Vitamin C
0%
0%
Calcium
8%
8%
Iron
4%
4%
Exchanges:
1 1/2 Starch; 0 Fruit; 1 1/2 Other Carbohydrate; 0 Skim Milk; 0 Low-Fat Milk; 0 Milk; 0 Vegetable; 0 Very Lean Meat; 0 Lean Meat; 0 High-Fat Meat; 5 1/2 Fat;
Carbohydrate Choice
3
*Percent Daily Values are based on a 2,000 calorie diet.

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