Blueberry Cake

1 box French vanilla cake

Blueberries

Blueberry jam

Confectioners sugar

Cinnamon

Unsalted Butter

Vanilla

Brown sugar

Sugar

Cream Cheese

Topping:

5 tbsp sugar

1/2 cup brown sugar

1 tsp Cinnamon

Frosting (double the icing for a layer cake):

1 1/4 stick unsalted butter

8 oz cream cheese

1/2 tsp vanilla extract

2 2/3 cup confectioners sugar

1/4 cup blueberry jam

Make cake as s tased on the box, gently mix in blueberries

Mix together topping ingredients, sprinkle all over the top of uncooked batter.

Bake according to box directions.

Let cake cool

Beat together butter and cream cheese, add vanilla and confectioners sugar.

Fold in blue berry jam until swirls form. 

Pipe onto cupcakes or spread on cake.