Preheat oven to 300 degrees F.
Combine graham cracker crumbs, sugar, cinnamon and melted butter until crumbly.
Press crumb mixture firmly into the bottom of a 10-inch springform pan; set aside.
In a large mixing bowl, beat together cream cheese and sugar.
Beat in eggs one at a time.
Add vanilla and lemon juice and combine thoroughly.
Pour mixture into springform pan, filling to within half an inch of the top of the pan.
Bake for 1 hour and 15 minutes, or until the middle is set, checking after 1 hour.
When cheesecake is almost done baking, beat together topping ingredients.
Pour over baked cheesecake and bake an additional 10 minutes. Let cook completely.
Store cheesecake in the fridge until ready to serve.