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Cookies and Cream Cupcakes

These Cookies and Cream Cupcakes are packed with Oreo pieces and marshmallow flavoring topped with vanilla American buttercream with Oreo chunks.
Prep Time20 mins
Cook Time15 mins
Total Time35 mins
Course: Dessert
Cuisine: American
Keyword: cookies and cream cupcakes, oreo, oreo cupcakes
Servings: 15 cupcakes
Author: Lisa Brown


For the Cakes

  • 200 g sugar
  • 1 stick butter 115 g
  • 2 large eggs
  • 115 g full fat sour cream
  • ½ tsp vanilla extract
  • 1 tsp LorAnn marshmallow oil
  • 210 g all purpose flour, sifted
  • 1 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp salt
  • 5 ounces milk
  • 8 oreos

For the Oreo Buttercream

  • 500 g powdered sugar
  • 2 sticks butter
  • ½ tsp marshmallow oil
  • ½ tsp vanilla extract
  • 2-4 tbsp milk
  • ½ tsp salt


For the Cakes

  • Preheat oven to 350°F
  • Make sure all ingredients are room temperature!
  • Blend 8 oreos in a food processor
  • Combine dry ingredients in a bowl. mix and set aside.
  • In a stand mixer with the whisk attachment, whip butter on high until creamy. Add sugar. Continue to whisk for about 3-5 minutes.
  • Add eggs and extracts and mix. Add sour cream. Continue to whisk until all is mixed.
  • Replace whisk attachment with paddle. On low, add dry mixture bit by bit. Alternate with milk until everything is mixed together. Mix until just combined.
  • Spoon into standard cupcake liners. This batter should make about 15 cakes.
  • Bake at 350F for 15-17 minutes or until a toothpick comes out clean when tested.
  • Remove from oven, transfer to a cooling rack and cool completely.

For the Buttercream

  • Sift the powdered sugar to get all clumps out.
  • Blend the other 8 oreos in a food processor until very fine.
  • With the whisk attachment on high, whip butter until smooth and creamy.
  • Add powdered sugar bit by bit until all is mixed.
  • Add extracts and salt.
  • Add milk 1 tablespoon at a time until you like the flavor and/or thickness.
  • Pipe onto completely cool cupcakes.
  • Serve and enjoy!