1 (18.25 oz.) box Duncan Hines Milk Chocolate Chunk Brownie Mix
1 large egg
2 T. water
1/3 C. vegetable oil
1 can Duncan Hines Creamy Home-Style Classic Vanilla Frosting
Preheat oven to 375 degrees.
Combine brownie mix, egg, water and oil in large bowl. Stir until well blended and soft dough forms. Drop level measuring tablespoonful's about 2 inches apart onto a greased cookie sheet.
Bake for 7 to 8 minutes or until cookies are set in center. Do not over bake. Cool for 1 minute before removing to cooling rack. Cool completely before assembling.
Spread frosting on half of the cookies. Top each frosted cookie with another cookie. Gently press together.