PREHEAT oven to 375° F.
COMBINE flour, baking soda and salt in small bowl.
2 1/4 cups all-purpose flour, 1 teaspoon baking soda, 1 teaspoon salt
Beat softened butter, granulated sugar, brown sugar and vanilla extract in large mixer bowl until creamy.
1 cup 2 sticks butter, softened, 3/4 cup granulated sugar, 3/4 cup packed brown sugar, 1 teaspoon vanilla extract
Add eggs, one at a time, beating well after each addition.
2 large eggs
Gradually beat in flour mixture.
Stir in M&M's and chocolate chips
1 cup Holiday M&M's, 1 cup Semi-Sweet chocolate chips
Drop by rounded tablespoon onto ungreased baking sheets.
BAKE for 9 to 11 minutes or until golden brown.
Cool on baking sheets for 2 minutes; remove to wire racks to cool completely.