Before you get started, make sure your cream cheese is at room temperature.

Finely crush the gingersnaps with a food processor or place them in a bag and crush them with something heavy, like a rolling pin. You want the crumbs to be a fine powder.

Place the crushed gingersnaps into a mixing bowl and add 1 Tablespoon of brown sugar, 2 teaspoons of cinnamon, and 4 Tablespoons of melted butter. Stir to combine.

Pour the crust mixture into a 7-8" springform pan. Build the sides by pressing the cookie mixture along the sides of the springform pan. If the cookie crumbs are not sticking, then you will want to add a little more butter. Once the sides are done, press the rest of the cookie crumbs to make the bottom of the cheesecake. Place the springform pan in the freezer or the refrigerator while you make the filling.

Add the heavy whipping cream to the bowl of a stand mixer or to a mixing bowl if using a whisk or hand held electric mixer. Whisk on medium (use the whisk attachment of a stand mixer) until the cream starts to thicken and then increase to high until soft peaks form.

If you are using a stand mixer, transfer the whipped cream to a second mixing bowl. No need to clean the bowl of the stand mixer before the next step.

Add the room temperature cream cheese to the mixing bowl or bowl of the stand mixer along with ¼ cup of key lime juice, 10 Tablespoons of powdered sugar, 1 Tablespoon of lime zest, ½ teaspoon of lime oil if using. Use the paddle attachment of a stand mixer or the beaters of an electric hand mixer and mix on low until the liquid has been incorporated, then increase the speed and beat until you have a smooth texture.

Gently fold the whipped cream, ½ cup at a time into the cream cheese mixture until it all incorporated. You want to be gentle with this so you don't collapse the whipped cream.

Once the mixture is uniform in color and smooth, scoop it into the springform pan and smooth the top. Cover and refrigerate for at least 6 hours to chill.

Decorate the top with extra whipped cream and lime slices or serve it as is. Enjoy!