INGREDIENTS
1
box white cake mix
3
eggs
1/3 cup
oil
zest of 2 lemons
1/4 cup
lemon juice
1 tsp
vanilla extract
3/4 cup
milk
1/2 cup
sour cream
zest of half of a lemon
1/4 cup
lemon juice
1 2/3 cups
powdered sugar
1 cup
butter, softened
4 cups
powdered suagr
1/4 cup
blackberry puree (blackberries thrown in the blender, blend, then run through a strainer to remove seeds)