Building Blocks Cakes
By deezers
Building a birthday cake is fun and easy thanks to cake mix, ready-to-spread frosting and marshmallows.

Ingredients
- 1 box Betty Crocker® SuperMoist® yellow cake mix
- Water, vegetable oil and eggs called for on cake mix box
- 2 containers (1 lb each) Betty Crocker® Rich & Creamy vanilla frosting
- Red, yellow and blue gel or paste food colors
- Tray or cardboard, 15x12 inches, covered
- 12 large marshmallows, cut in half crosswise
Details
Preparation time 35mins
Cooking time 35mins
Preparation
Step 1
1. Heat oven to 350°F (325°F for dark or nonstick pan.) Grease bottom and sides of 13x9-inch pan with shortening or cooking spray. Make cake mix as directed on box, using water, oil and eggs. Pour into pan.
2. Bake as directed on box for 13x9-inch pan. Cool 10 minutes; remove from pan to cooling rack. Cool completely, about 1 hour. Refrigerate or freeze cake 1 hour 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. "Crumb-coat" top and sides of 1 square cake with thin layer of blue frosting and 1 square cake with thin layer of white frosting. Crumb-coat 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 until set.
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 at room temperature.
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