Step 1

Preheat oven to 350 degrees. Lightly grease a 15x10x1-inch jelly-roll pan.

Step 2

In a large bowl, combine brownie mix, oil, water, eggs, and vanilla. Beat with a wooden spoon for 2 minutes. Stir in chocolate morsels. Pour batter into prepared pan. Bake 18 minutes; cool completely.

Step 3

Cut brownies using a 1-1/2 inch round cutter. Place on a serving tray; set aside.

Step 4

In a small bowl, soften getatin in 1/4 cup cold water, let stand 2 minutes. Add 1/3 cup boiling water, stirring until gelatin dissolves.

Step 5

In a medium bowl, beat whipping cream with an electric mixer until foamy; gradually add sugar, beating until soft peaks form. Gently stir in gelatin mixture, cherries, and juice. Cover and chill 2 hours.

Step 6

To serve, pipe or spoon cherry mousse onto prepared brownies.