Preheat the oven to 350°F and gather all ingredients.
In a 4.5-inch springform pan, combine the crushed graham crackers, 1/2 tablespoon of sugar, and cinnamon, if desired. Then, stir in the melted butter until well combined.
Press the crumb mixture firmly onto the bottom and approximately 1 inch up the sides of the pan. Tip: Use a measuring cup to help smooth the crust.
In a large bowl, beat the cream cheese and 1/2 cup of sugar until smooth. Add another 1/2 cup of cream cheese, 1 whole egg, 2 egg yolks and vanilla extract. Continue mixing until the mixture is well combined and creamy.
In a small oven-safe container, add 1/2- 1 cup water and place in the oven. (This is to add steam to the oven). Pour the filling in the crust-lined pan. Place on a cookie sheet or shallow baking pan. Bake for 40 minutes of until a 1 1/2 inch area around the appears set when shaken.
Turn off the oven and crack the door 1-2 inches, letting the cheesecake cool in the oven.