Posted By North Star.

Ingredients.

1 package (1 pound 3.8 ounces) Betty Crocker fudge brownie mix
1/4 cup water
1/2 cup vegetable oil
2 eggs
1 cup creme-filled chocolate sandwich cookie crumbs
1/2 tub Betty Crocker Rich & Creamy chocolate or vanilla ready-to-spread frosting (2/3 cup)
2/3 cup creme-filled chocolate sandwich cookie crumbs

Directions.

1 Heat oven to 350ºF. Grease bottom only of rectangular pan, 13x9x2 inches, or spray with cooking spray.
2 Stir brownie mix, water, oil and eggs in medium bowl until well blended. Stir in 1 cup cookie crumbs. Spread in pan.
3 Bake 28 to 30 minutes or until toothpick inserted 2 inches from side of pan comes out clean or almost clean. Cool completely, about 1 hour. Frost with frosting. Sprinkle with 2/3 cup cookie crumbs. For 20 brownies, cut into 5 rows by 4 rows.