Keep the oven at 350F.
Start to boil a kettle of water, or pot of water on the stove. You'll need this in about 8 minutes.
Break the eggs into a separate bowl, amaze your friends and family with the eggshell hack if you know what that is.
Mix the cream cheese on medium-low speed until smooth, approximately 3 minutes. Scrape down the sides of the bowl, and mixfor another minute.
Add the sour cream, cornstarch, and sugar, mix on medium-low for 30 seconds. Scrape down the sides, and mix another 15 seconds. The mixture should be lighter in colour, and very creamy.
Let the batter sit for 2 minutes.
Mixing at low speed, add 1 egg at a time until fully incorporated before adding the next egg.
Add the remaining ingredients, mix at low speed until incorporated.
You do not want to whip the eggs. The goal is to have a creamy, but very dense batter with no air bubbles.
Slowly pour the batter into the springform pan. Place that in a roasting pan, place that in the oven. Carefully pour boiling water into the roasting pan until it reaches halfway up the side of the springform pan.
Bake for approximately 60-100 minutes. The cheesecake is done when it is "set" (middle barely jiggles), or a thermometer reads 145F in the middle if you're into poking thermometers into the middle of your cheesecakes.
Turn off the oven, prop the oven door open an inch, and let it cool completely, approximately 2 hours.
Place the springform pan on a cooling rack, carefully run a thin knife along the springform pan to make sure it will come out cleanly. Let cool for 2 hours.
Refrigerate overnight, do not cover the cheesecake.
Run a knife along the inside the springform pan, remove the pan, decorate, serve, enjoy.