In an oval 6 quart slow cooker, layer the ingredients in the order given. (Peanuts, chocolate chips, German chocolate, chocolate almond bar, vanilla almond bar)
Reserve the toffee bits and pretzels to mix-in at the end.
Cover and cook on low for 2-3 hours OR until melted. (Check it at 2 hours}
Uncover and stir well. Add ⅔ cup toffee bits and 1 cup broken pretzel pieces.
Use a 2 oz ice cream scoop or 2 Tbsp to drop into festive cupcake liners or onto wax paper.
Sprinkle the tops with the remaining toffee bits. Cool completely.
Store in an airtight container at room temperature for up to 1 week.