Twix Cheesecake Bars

and 1/4 cups crushed Lorna Doone Shortbread Cookies ((Can substitute crushed graham crackers))

unsalted butter, (melted)

light brown sugar, (packed)

fine sea salt

packages (16 ounces) full-fat cream cheese, (at room temperature)

white sugar

and 1/2 tablespoons white flour

full fat sour cream, (at room temperature)

and 1/2 teaspoons vanilla bean paste (or 1 tablespoon pure vanilla extract)

fine sea salt

large eggs, (at room temperature)

Twix minis

milk (or dark, or semi sweet) chocolate chips

heavy cream

bag (4.51 ounces) Werther's soft and chewy caramels, (unwrapped)

and 1/2 tablespoons evaporated milk