Grandma Norn'S Unbelievable Blackberry Cake - cooking recipe

Ingredients

1 (18 ounce) box yellow cake mix
4 eggs
1 cup oil
2 (3 ounce) boxes blackberry Jell-O or (3 ounce) boxes raspberry Jell-O gelatin
1 (16 ounce) bag frozen blackberries, unthawed with juice (can use fresh berries also)
1/2 cup butter or 1/2 cup margarine, softened
1 (8 ounce) package cream cheese, softened
1 (16 ounce) box confectioners' sugar

Preparation

In large bowl mix cake mix, eggs, oil and Jello on high speed with electric mixer about 2 minutes.
Add berries; mix until blended well.
Pour into greased and floured 9x13-inch pan.
Bake at 350 until fork inserted in center comes out clean, about 40-45 minutes.
Allow cake to cool completely.
In bowl make icing by beating cream cheese and butter until smooth. Gradually add confectioners' sugar.
Frost cake, chill and serve.