2 c. graham cracker crumbs
1/4 c. chopped walnuts or pecans
1 tsp. cinnamon
1/2 c. melted butter
3 eggs
1 tsp. cinnamon
1 (8 oz.) pkg. cream cheese
1 lb. Ricotta cheese (16 oz.)
3 c. (24 oz.) sour cream
1 c. sugar
1 tsp. vanilla

Mix cracker crumbs, nuts, cinnamon, and butter. Reserve 3 tablespoons for topping. Grease sides and bottom of pan; press mixture into pan.

Blend remaining ingredients all together until smooth. Pour into pan. Bake at 375 degrees for 50-55 minutes.