Cake
- 1 box Halloween Funfetti cake mix
- 1 cup whole milk
- ½ cup salted butter, melted and slightly cooled
- ½ cup vegetable oil
- 3 eggs + 1 extra yolk
- 2 teaspoons pure vanilla extract
- ½ teaspoon salt
- ½ cup sour cream
Orange Creamsicle Frosting
- 1 cup (2 sticks) salted butter, softened
- 4 cups powdered sugar, sifted
- 2 teaspoons pure vanilla extract
- 1 teaspoon orange extract
- 3 tablespoons heavy cream (plus more if needed)
- Orange food coloring (gel works best)
Toppings
- Halloween nonpareils
- Bat cookie cutter
- Ghost royal icing pieces
- Halloween confetti sprinkles
- Candy corn