Preheat oven to 350°F.
In a large mixing bowl add Cake Mix, Oil, Eggs, and 1C. Fruity Pebbles. Mix til combined well. Set aside. Then spray muffin tins with nonstick cooking spray or use muffin cups way easier. Fill tins/cups half way with batter. Bake for 7-8 minutes or til golden and once a toothpick inserted comes out clean. Remove from oven and remove from tins. Let sit til room temperature. Top with frosting and garnish with rest of Fruity Pebbles. Serve immediately and enjoy 😋.