Grease (Pam) 9 inch spring form pan, dust with graham crackers.
Sieve cottage cheese into large mixing bowl, add cream cheese
and beat with electric mixer on high until well blended and creamy.
Beating at high speed, blend in sugar, then reduce speed and add
eggs, cornstarch, lemon juice and vanilla. Beat until
blended and creamy. Add melted butter and sour cream . Blend again
until creamy. Pour into prepared spring form pan.
Bake at 350 degrees about 1 hour and 10 minutes or until firm
around the edges. Turn
off oven and let cake stand in oven for 2 additional hours. Remove
and let cool completely on wire racks.
Chill and then remove sides of pan.
Cake can be frozen. Cake can also be topped with a fruit glaze
such as strawberries, peaches, pineapples or blueberries.