Ingredients:
1-2 pkg frozen blackberries
1 cup boiling water
1 cup brown sugar
1 pkg white/yellow cake mix
1/2 cup melted butter
Directions:
put blackberries on bottom of pan
melt sugar in water, pour over berries
put cake mix on top of suger mixture.
Melt butter and pour over cake mix.
Bake at 350 for 40-45 minutes