Ingredients

The following ingredients have 12 Servings
  • ¾ cup (170g) unsalted butter (, softened)
  • 1 cup (200g) granulated sugar
  • 1 large egg
  • 1 large large egg yolk
  • 1 teaspoon vanilla extract
  • ½ teaspoon baking soda
  • ½ teaspoon cream of tartar
  • ½ teaspoon salt
  • 2 cups (248g) all-purpose flour
  • 1 ¼ cup plain M&Ms (, divided)

Instruction

  • Preheat oven to 350°F. Line two cookie sheets with silpat liners or parchment paper.
  • Cream butter and sugar in the bowl of a stand mixer fitted with the paddle attachment. Beat in egg, egg yolk, and vanilla extract. Mix in baking soda, cream of tartar, and salt. Slowly mix in flour. Stir in ¾ cup M&Ms.
  • Scoop 2 tablespoon balls of dough (use a cookie scoop if you have one) onto cookie sheets. Top each cookie with 4-5 additional M&Ms.
  • Bake for 10-12 minutes (10 for slightly underdone, 11-12 for more done). Cool 5 minutes before removing from cookie sheets. Place on a wire rack to cool completely.