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Funfetti sandwich cookies on a white napkin with holiday sprinkles poured around them.

Funfetti Cookie Sandwiches

Funfetti Cookie Sandwiches are the perfect use for cake mix - make them for every occasion using your favorite sprinkle colors!
Course Dessert
Cuisine American
Keyword cake batter, cookies, funfetti
Prep Time 20 minutes
Cook Time 10 minutes
Total Time 30 minutes
Servings 16 cookies
Calories 302kcal
Author Dorothy Kern
Cost $8


For the cookies:

  • 1 yellow cake mix
  • 1/2 cup butter softened
  • 2 tablespoons oil
  • 2 eggs
  • 1 teaspoon vanilla
  • 1/2 teaspoon butter extract optional
  • 1/4 cup Christmas (or rainbojimmies

For the cream filling:

  • 5 tablespoons butter softened
  • 1/2 cup marshmallow fluff
  • 2 cups powdered sugar
  • 1 teaspoon vanilla
  • 1 tablespoon heavy whipping cream
  • 1 tablespoon sprinkles jimmies work best


  • Preheat oven to 350 degrees. Place all cookie ingredients except sprinkles in a mixer bowl and mix on medium speed until combined. Stir in sprinkles.
  • Drop tablespoon sized drops of cookie dough onto cookie sheets lined with parchment paper. Bake for 6-8 minutes, until cookies have browned ever so slightly on the bottoms. Cool completely before filling.
  • To make filling: cream butter in a large bowl with an electric mixer. Beat in fluff until combined with the butter. Slowly mix in the powdered sugar until it has a crumbly, pea-sized texture. Add vanilla and heavy whipping cream and beat until frosting forms. Stir in sprinkles.
  • Frost the bottom of half of the cookies, and top with a second cookie. Best served room temperature.


Calories: 302kcal | Carbohydrates: 46g | Protein: 2g | Fat: 13g | Saturated Fat: 7g | Cholesterol: 46mg | Sodium: 326mg | Potassium: 23mg | Fiber: 1g | Sugar: 32g | Vitamin A: 330IU | Calcium: 74mg | Iron: 1mg