Cheese Cake - cooking recipe

Ingredients

1 pt. sour cream
1 pt. Ricotta
1 lb. cream cheese, softened
1/4 lb. melted butter
1 1/2 c. sugar
2 Tbsp. cornstarch
2 tsp. vanilla
3 Tbsp. flour
1 tsp. lemon extract (optional)
4 eggs

Preparation

Preheat oven to 325\u00b0.
Mix all ingredients together.
Pour in a 10-inch spring-form pan.
Cook 1 hour and 15 minutes.
Turn off oven and leave in oven for 1 hour.