Mini Salted Caramel Pumpkin Cheesecakes

Name: Mini Salted Caramel Pumpkin Cheesecakes
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: American
Ingredients: 3/4 cups graham cracker crumbs; 1/4 cup finely chopped pecans (or substitute with the same amount of graham cracker crumbs); 4 tablespoons unsalted butter (melted); 2 tablespoons brown sugar (packed); pinch of salt; 8 ounces cream cheese (softened); 1/2 cup brown sugar (packed); 1/2 cup pumpkin puree (not pumpkin pie filling); 1 tablespoon sour cream (may be substituted with Greek yogurt); 1 large egg; 1 teaspoon pure vanilla extract; 1/4 teaspoon pumpkin pie spice; 1/4 teaspoon ground cinnamon; 1/2 cup granulated sugar; 2 tablespoons water; 2 drops fresh lemon juice*; 1/4 cup heavy cream; 2 tablespoons butter (cut into small cubes); 1/2 teaspoon fleur de sel or finishing salt (I used Maldon); 3/4 cup heavy cream; 2 tablespoons granulated sugar; ground cinnamon (for garnish (optional)); flaky sea salt (for garnish (optional))