Line (with parchment paper or aluminum foil) and grease a standard 9”x13” baking pan.
Spread half of the 10 oz. salted peanuts into the bottom of the pan.
Using a double boiler or microwave on 50% power, melt the10 oz. pkg caramel baking chips (not caramel baking bits) and 2 ½ Tablespoons unsalted butter.
Once melted, add in the 14 oz. can sweetened condensed milk and stir until smooth. Fold in the 2 cups miniature marshmallows
Pour over the first salted peanut layer; top with remaining salted peanuts.
Refrigerate 2 hours, or until set. *Cut into 12 horizonal rows; cut in half to yield 24 nut rolls or cut 6 vertical rows to yield 72 pieces.
Notes
Peanut butter or butterscotch baking chips can be substituted for the caramel baking chips
Store the salted nut rolls in an airtight container or freeze up to 45 days