Ingredients
1 box white cake mix, plus ingredients called for on box
1/4 c. chocolate chips, melted
20 chocolate kisses
10 Oreos, cream removed
1 1/2 c. (3 sticks) butter, softened
6 c. powdered sugar
2 tbsp. butterscotch syrup
1/4 c. heavy cream, plus more if needed
Pinch kosher salt
Red, yellow, green, and blue food coloring
Gold sprinkles, for garnish
Preparation
Step 1Preheat oven to 350° and line two cupcake tins with liners. Prepare cake mix according to package instructions and divide batter evenly between liners. Bake until a toothpick inserted into center of a cupcake comes out clean, 20 to 25 minutes. Let cool completely.Step 2Meanwhile, make hats: Using a butter knife, spread chocolate onto bottom of a Kiss and press into center of Oreo cookie. Repeat until all hats are made and set aside to harden, 10 to 15 minutes.Step 3Meanwhile, make buttercream: In a large bowl using a hand mixer or in the bowl of a stand mixer using the paddle attachment, beat butter until fluffy. Add powdered sugar and beat until combined, then add butterscotch, heavy cream, and a pinch of salt and beat until combined. Set aside 1/3 cup portions of frosting in 4 separate bowls. Dye each bowl house colors: red, yellow, green, and blue.Step 4Using a melon baller or teaspoon, scoop out center of each cupcake to make a well. Fill each well with the different colored buttercream.Step 5Frost all cupcakes with remaining white buttercream and top with gold sprinkles and hats.