Absolutely Delicious "scratch" cake

INGREDIENTS (Nutrition)
1 (18.25 ounce) package yellow cake mix
4 cups ricotta cheese
4 eggs
4 teaspoons vanilla extract
1 teaspoon ground cinnamon
1 (16 ounce) package frozen whipped topping, thawed




DIRECTIONS
Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9 x 13 inch pan.
Make cake batter as directed on box. Pour into prepared pan.
Mix together ricotta, eggs, vanilla, and cinnamon or lemon juice. Pour mixture over cake batter, but do not mix it in.
Bake in the preheated oven for 60 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.