1Combine: Flour, baking soda and salt in medium bowl; mix well.
Pour: 3/4 cup flour mixture into 1-quart wide-mouth jar with tight fitting lid; pack down well.
Add: 1/2 cup brown sugar to jar; pack down well.
Add: Remaining flour mixture, remaining brown sugar, M&M's, chocolate chips and walnuts; pack down lightly after each layer.
Cover top of jar with fabric.
Attach gift tag with ribbon.
21 Jar Santa's Favorite Cookie Mix
3/4 cup (1 1/2 sticks)butter, softened
1 Lg. Egg
1/2 tsp. vanilla
Preheat oven to 375degrees F.
Line cookie sheets with parchment paper or leave ungreased.
Pour contents of jar into large bowl; mix well.
Beat butter in another large bowl with electric mixer until smooth.
Beat in egg and vanilla.
Stir in dry ingredients until well blended.
Drop by rounded tablespoonfuls 3 inches apart onto prepared cookie sheets.
Bake 8 to 10 minutes or until lightly browned. (Do Not overbake.)
Cool 2 minutes on cookie sheets; transfer to wire racks to cool completely.