Blackberry Cake
["1 c. blackberries (fresh or canned)", "6 Tbsp. reserved blackberry juice", "1 (18 1/2 oz.) box white cake mix", "1/2 c. milk", "1/4 c. water", "3/4 c. vegetable oil", "1 (3 oz.) pkg. black raspberry Jell-O", "4 large eggs (room temperature)"]
["Puree 1 cup blackberries in blender. Strain and reserve juice. Reserve 6 tablespoons for cake and 6 tablespoons for icing.", "In a large bowl, combine all ingredients except eggs. Add eggs, one at a time, and beat well for 2 minutes on high speed.", "Spoon batter into greased and floured tube pan. Bake at 350\u00b0 for 50 minutes or until tests done. Cool and frost."]
["blackberries", "blackberry juice", "white cake", "milk", "water", "vegetable oil", "black raspberry", "eggs"]