Lemon Poppyseed Cake with Raspberry Filling

Ingredients

• Cake INGREDIENTS-
• 1 box white cake mix
• 1 tablespoon poppyseed
• 1 1/3 cups water
• 3 tablespoons vegetable oil
• 1 cup sour cream
• 4 egg whites
• 2 teaspoons vanilla
• 1 cup white flour
• 1 cup white sugar
• 1 teaspoon salt
• 1 lemon
• 1 lemon
• raspberry filling INGREDIENTS-
• 1 1/2 cups frozen raspberries
• 1 tablespoon cornstarch
• 2 tablespoons lemon juice
• 1/4 cup sugar
• cream cheese frosting LEMON, INGREDIENTS-
• 7 cups powdered sugar
• 5 ounces cream cheese room temperature
• 1 1/2 cups unsalted butter room temperature
• 1 tablespoon vanilla extract
• 3 teaspoons lemon juice