Santa's Favorite Chocolate Chip Cookies

INGREDIENTS

1 stick

butter - room temperature

1/4 cup

margarine

3/4 cup

packed brown sugar

1/4 cup

granulated sugar

1 1/2 tsp

vanilla extract

egg- room temperature

2 cups

all-purpose flour scooped lightly - not spooned into your measuring cup

box instant vanilla pudding - not cook & serve

1 tsp

baking soda

1/2 tsp

salt

3/4 cup

milk-sweet chocolate chips

1 cup

white chocolate chips

1 1/2 cups

red & green- M&M's - divided