1 pkg. fudge brownie mix
1/2 c. chopped walnuts
Kraft marshmallows (lg.)

Prepare brownie mix with nuts according to package directions. Cool. Cut into 2-inch squares. For each s'more, place bottom half of square on cookie sheet; top with a marshmallow.

Bake at 350 degrees until marshmallow begins to melt. Top with remaining half of brownie and press together slightly.