• Preheat oven to 375 and grease a 9x13 pan with cooking spray.
• In a small bowl, combine Gold Medal All-Purpose Flour, baking cocoa, Arm & Hammer Pure Baking Soda and salt. Use a whisk to mix the dry ingredients together well. Set aside.
• Beat butter, sugars and vanilla together with a mixer until light and fluffy, about 3-5 minutes.
• Add eggs and beat well.
• Add half of the dry mixture and beat just until incorporated. Add the remaining half and beat. Stir in chocolate chips. (Dough will be stiff)
• Spread dough into prepared pan. Use your hand, covered with a plastic sandwich bag, sprayed with cooking spray to press the dough easily into the pan.
• Top with baking M&Ms and gently press them into the dough.
• Bake 22-26 minutes or until edges begin to pull away from the sides. Cool completely before cutting into 24 bars.

To Assemble for Holiday Cookie Exchange

• Place bars into paper mini muffin trays.
• Place trays into a clear cellophane bag and tape end shut with clear tape.
• Cut small strips of card stock and write the cookie name on the paper with a marker.
• Add the small tag to the top of the package with decorative tape.