1 3/4 c. flour
1/2 tsp. baking soda
1/4 tsp. salt
1 1/4 c. sugar
3/4 c. butter
3/4 c. peanut butter
1 egg
1/2 tsp. vanilla
1 1/2 c. mini milk chocolate M&M'S®

Combine flour, baking soda and salt. Set aside. In mixer, beat sugar, butter, peanut butter, egg and vanilla until creamy. Blend in flour mixture. Stir in 1 cup mini M&M'S®. Press into greased 9 x 13 pan and top with 1/2 cup of mini M&M'S®.

Bake at 350°F for 25 to 30 minutes.