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Mint Oreo Cookie Bars

These delicious Mint Oreo Cookie Bars are easy to make and packed with mint flavor. With chocolate chips, Mint M&Ms, as well as Mint Oreos, these cookie bars are a special treat. Perfect for St. Patrick's Day, this is a delicious mint dessert.
Prep Time10 mins
Cook Time40 mins
Total Time50 mins
Course: Dessert
Cuisine: American
Keyword: Mint Oreo Cookie Bars
Servings: 16
Author: Jill


  • 2 C unsalted sweet cream butter melted
  • 2 1/2 C sugar
  • 1 C brown sugar packed
  • 4 eggs
  • 2 egg yolk
  • 4 tsp vanilla extract
  • 5 C flour
  • 4 tsp cornstarch
  • 1 tsp baking powder
  • 2 tsp salt
  • 2 C chocolate chips
  • 2 C Mint M&M’s
  • 24 Mint Oreo cookies chopped


  • Preheat your oven to 350 degrees
  • Using a standing mixer, cream together the melted butter, sugar and brown sugar until combined
  • Mix in the eggs and egg yolk one at a time, mixing well after each egg.
  • Mix in the vanilla
  • In a medium bowl, mix together the flour, cornstarch, baking powder and salt.
  • Gradually stir dry ingredients into the wet until completely combined.
  • Mix in 1 ½ C chocolate chips, 1 ½ C M&M’s and half of the chopped Oreos.
  • Spread the batter into the baking dish and top with remaining chocolate chips, m&m’s and chopped Oreos
  • Bake 40 minutes or until edges just begin to turn golden brown
  • Allow to cool before cutting and enjoying