Brownies With Caramel Sauce

300 g chocolate (whatever you want) 150 g butter or 150 g margarine 300 g brown sugar 200 g flour , for all uses 4 eggs 100 g of coarsely chopped hazelnuts[...]

1 cup chunky peanut butter 1/2 cup caramel ice cream topping 2 tablespoons caramel ice cream topping (or homemade, if you’re so inclined) 1 egg 1/2 cup heavy[...]