Spring Confetti Bars


Ingredients
  • 1/2 cup butter at room temperature
  • 1/2 cup white sugar
  • 1/4 cup + 1 tablespoon brown sugar
  • 1 large egg at room temperature
  • 1 teaspoon vanilla extract
  • 1 and 1/2 cups white flour
  • 1/2 teaspoon baking soda
  • 1 teaspoon baking powder
  • 1/2 teaspoon cornstarch
  • 1/4 teaspoon salt
  • 1 and 1/4 cups white chocolate chips separated
  • 3 cups miniature marshmallows
  • 3/4 cup Spring M&Ms
  • 3 tablespoons sprinkles Spring colored
Instructions
  1. Preheat the oven to 350 degrees F.
  2. Combine the room temperature butter with the white and brown sugar in a medium sized bowl.
  3. Mix the butter and sugars together with hand beaters or in a stand mixer until creamy and fluffy. Mix in the egg and vanilla and beat until just incorporated.
  4. In a separate bowl, combine the flour, baking soda, baking powder, cornstarch, and salt. Stir together and slowly add the dry ingredients to the wet ingredients.
  5. Mix until combined.
  6. With a wooden spoon, stir in one cup of the white chocolate chips. Press the cookie dough into a 9 x 13 pan that has been sprayed with nonstick spray.
  7. Bake the cookie dough for 10-13 minutes or until the edges are lightly browned.
  8. Remove and immediately top with the miniature marshmallows and M&M's. Return to the oven for 1-2 minutes or until the marshmallows become puffy.
  9. Remove and sprinkle the remaining 1/4 cup white chocolate chips and sprinkles over the bars.
  10. Let cool completely and then cut with a wet knife.