Harold's perfect cheesecake

My boss Harold claims that he has perfected the cheese cake making. I totally support that claim. The recipe is easy to follow. We often make 3 cakes at a time.

Ingredients

【Crust】
HoneyMaid graham cracker crumbs - 1 cup (2.5 cup for 3)
Unsalted butter - 1/6 cup (1/2 cup for 3)
Sugar - 2 TBSP (1/2 cup for 3)
Disposable round cake pan 8.5"x 1.5" - 1 ( 3 for 3)
【Cheese layer】
Philadelphia cream cheese - 11 oz (32 oz for 3)
Vanilla - 2/3 tsp (2 tsp for 3)
Sugar - 1/3 cup (1 cup for 3)
Egg - 2 (6 for 3)
【Top layer】
Sour cream - 1 pint (3 pint, 3 lb Knudsen Hampshire for 3)
Vanilla - 1 tsp ( 3 tsp for 3)
Sugar - 1/4 cup ( 3/4 cup for 3)

Steps

1. Preheat oven to 375°F.
2. Use potato smasher to crush the Graham cracker into crumbs

3. Mix ingredients for crust and spread on bottom and side of pie pan. Use thumb to shape the crust.

4. Put all ingredients for cheese layer in mixing bowl, use electrical mixer to mix. Pour in pan.

5. Bake cake for 20 minutes (24 minutes for 3). Take out of the oven and let it stand for 15 minutes to cool.

6. Raise oven temperature to 475°F.
7. In a mixing bowl, mix all ingredients for top layer and let it sit to let air bubbles out. Pour the top layer mixture over cake. Bake for 11 minutes (13 minutes for 3)

9. Take cake out and cool at room temperature. Cover cake with shrink wrap and chill in refrigerate overnight before serving.