Preheat oven to 350 degrees Fahrenheit. Line a standard-sized cupcake pan with paper cupcake liners and set aside.
In a bowl, combine graham cracker crumbs and granulated sugar. Stir to combine. Add melted butter and stir until fully incorporated. Divide crust mixture between your 18 cupcake liners. Using the back of a measuring cup, press graham cracker mixture firmly into the bottom of each cup. Set aside.
In a large bowl, add cream cheese. Beat until smooth. Add granulated sugar, then mix until smooth. Next, add eggs and mix until incorporated. Add sour cream and mix until incorporated. Last, add vanilla and mix until incorporated. Be sure not to over-mix, just mix until each ingredient is incorporated into the batter.
Distribute batter evenly between cups. Gently tap pan onto counter top a few times to level filling and remove any excess air bubbles.
Bake for 17-19 minutes, or until cheesecake is no longer jiggly in the center. Tops may crack slightly, this is normal. Remove from oven and allow to cool completely before removing cheesecakes from the pan. Your cheesecakes may sink in the middle slightly when cooling.
Refrigerate until ready to serve. Optionally, top with strawberries, cherries, or whipped cream.
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Notes
This recipe makes 18 cupcake/muffin sized cheesecakes. "Mini" refers to the size compared to a regular cheesecake, and does not refer to a mini muffin tin. You are welcome to use mini muffin tins for this recipe, but it has not been tested, so baking times and quantities will vary.
Room temperature ingredients are important for making a creamy cheesecake filling. If one, or all, of your ingredients are cold, this will cause your batter to be lumpy.
If you have a lumpy batter, try pressing it through a fine mesh sieve to remove the lumps.
Cheesecake will keep for up to 5 days in a sealed container in the refrigerator.