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Building Blocks Cakes

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  • Prep 35 min
  • Total 4 hr 10 min
  • Servings 12
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Building a birthday cake is fun and easy thanks to cake mix, ready-to-spread frosting and marshmallows.
Created May 21, 2018
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Ingredients

  • 1 box Betty Crocker™ SuperMoist™ golden cake mix
  • Water, vegetable oil and eggs called for on cake mix box
  • 2 containers Betty Crocker™ Creamy Deluxe™ vanilla frosting
  • Red, yellow and blue gel food colours
  • Tray or cardboard (15x12 inches), covered with wrapping paper and plastic food wrap or foil
  • 12 large marshmallows, cut in half crosswise

Steps

  •  
    1
    Heat oven to 350°F (325°F for dark or nonstick pan). Grease or spray bottom and sides of 13x9-inch pan.
  •  
    2
    Make and bake cake mix as directed on box for 13x9-inch pan. Cool in pan 10 minutes; remove from pan to cooling rack. Cool completely, about 1 hour. Refrigerate or freeze cake about 1 hour or until firm.
  •  
    3
    Meanwhile, in small bowl for each color, tint 1 cup frosting red, 1 cup frosting yellow and 2/3 cup frosting blue with food colors. Leave remaining frosting white.
  •  
    4
    Using serrated knife, cut rounded dome from top of cake to make flat surface; place cake cut side down. Cut cake crosswise into thirds. Cut one of the thirds in half crosswise to make 2 squares. Place cake pieces on tray.
  •  
    5
    To seal in crumbs, frost top and sides of 1 square cake with thin layer of blue frosting and 1 square cake with thin layer of white frosting. Frost 1 rectangular cake with thin layer of yellow frosting and 1 rectangular cake with thin layer of red frosting. Refrigerate or freeze 30 to 60 minutes to set frosting.
  •  
    6
    Add final coat of frosting to each cake. Frost 4 marshmallow halves with blue frosting; place in square design on blue cake. Frost 4 marshmallow halves with white frosting; place in square design on white cake. Frost 8 marshmallow halves with yellow frosting; place on yellow cake. Frost 8 marshmallow halves with red frosting; place on red cake. Store loosely covered.

Expert Tips

  • Tip 1
    Create an attractive display by covering a piece of sturdy cardboard with wrapping paper, then plastic food wrap. Stretch and secure with tape. Or cover cardboard with foil or cooking parchment paper.
  • Tip 2
    Use kitchen scissors to cut marshmallows. Spray blades of scissors with cooking spray to keep them from getting sticky.
  • Tip 3
    Stick fork in side of marshmallow halves to hold while frosting. Use metal spatula or knife to slide marshmallow from fork onto cake. Smooth frosting on marshmallow with spatula.
  • Tip 4
    Get a party menu, prep guide, tips, party games, activities and more for a Building Blocks Birthday Party! .

Nutrition Information

560 Calories, 23g Total Fat, 2g Protein, 86g Total Carbs, 61g Sugars

Nutrition Facts

Serving Size: 12
Calories
560
Total Fat
23g
Saturated Fat
5g
Trans Fat
4.5g
Cholesterol
55mg
Sodium
430mg
Total Carbs
86g
Dietary Fiber
0g
Sugars
61g
Protein
2g
% Daily Value*:
Exchanges:
*Percent Daily Values are based on a 2,000 calorie diet.
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