Keto Double Strawberry Cake

INGREDIENTS
1 (14.25 oz) box keto white cake mix
3 1/2 tablespoons almond flour
1 (3 oz) can keto strawberry jelly
1/2 cup water
3/4 cup vegetable oil
4 eggs
1 teaspoon vanilla extract
1 cup strawberry puree from fresh or frozen berries
icing
1 (8 oz) package cream cheese, at room temperature
1/2 cup butter (1 stick)
1 cup strawberry puree
4-5 cups of erythritol