M&M Cake

Name: M&M's Cake
Prep time: 1 h
Cook time: 3 h 50 min
Total time: 4 h 50 min
Yield: 8
Cuisine: american
Ingredients: 2 (15.25-ounce) boxes devil's food cake mix; 3 pounds royal blue candy melts (or desired M&M’s color); 2 tablespoons coconut oil; 1 cup plain M&M’s; 4 ounces semisweet chocolate, melted; 4 ounces melted white chocolate candy melts