1 box (1 lb 2.3 oz) fudge brownie mix
Water, vegetable oil and eggs as called for on brownie mix box
1/2 cup chopped pecans
1/2 cup whipping cream
6 tablespoons butter
1 1/2 cups packed brown sugar
1/2 cup chopped pecans, toasted
1 1/2 cups powdered sugar
1 teaspoon vanilla
Heat oven to 350° F.
Spray bottom only of 13×9-inch pan with cooking spray.
Make brownie mix as directed on box for fudge brownies, using water, oil and eggs. Stir in chopped pecans. Bake as directed. Cool completely, about 1 hour.
In medium saucepan, mix cream, butter and brown sugar. Cook over medium heat, stirring frequently, until mixture comes to a boil. Continue cooking 1 minute, stirring constantly. Remove from heat. Stir in pecans, powdered sugar and vanilla. Cool 5 minutes, stirring frequently.
Spread frosting over brownies. Allow to stand 30 to 45 minutes, or until frosting is set.