Snickers Cheesecake Bars

Oreos

butter, melted & slightly cooled

(3 8-ounce packages) cream cheese, at room temperature

large eggs

sugar

pure vanilla extract

-ounce package Fun Sized Snickers, chopped (about 20 Snickers, or 2 1/4 cup chopped)

chocolate chips (milk chocolate or semi-sweet)

caramel sauce (store-bought or homemade)

roasted salted peanuts, chopped