Black Forest Trifle 

 Ingredients    
 1 (8 ounce) package chocolate sugar-free,
 low-fat cake mix (such as Sweet 'N Low)
3/4 cup water
1 (1 ounce) box chocolate sugar-free,
 fat-free instant pudding mix
2 cups fat-free milk
1 (16 ounce) package frozen no-sugar-added pitted cherries
2 drops red food coloring
2 cups fat-free frozen whipped topping, thawed
 Sugar-free chocolate curls (optional) 
 Directions    
 Prepare cake mix according to package directions,
 using 3/4 cup water. Let cake cool in pan;
 remove from pan, cut into cubes.
 Prepare pudding mix according to package directions,
 using 2 cups fat-free milk;
 chill at least 30 minutes.
 Thaw cherries, reserving 1/4 cup juice.
Combine cherries, juice, and food coloring.
 Place half of cake cubes in a 3-quart trifle bowl.
 Spoon half of cherries over cake;
spread 1 cup pudding over cherries,
and top with half of whipped topping.
Repeat layers. Top with chocolate curls.
 Cover and chill at least 8 hours.