Croquetas de gambas al pil pil o gambas al ajillo#especialnavidad

Prawn croquettes in pil pil sauce or garlic prawns, served with garlic mayonnaise and piquillo peppers. Ingredients: For the stock: Prawn heads and shells 3 tablespoons olive oil 50 ml brandy or cognac Salt Water For the prawns in pil pil sauce: 3 tablespoons olive oil 400 g prawns 4 cloves garlic 1 hot cayenne pepper 1 teaspoon sweet paprika 50 ml white wine Salt For the béchamel sauce: In the same oil used for the prawns in pil pil sauce: 90 g wheat flour The prawn stock 600 ml milk ground pepper nutmeg for coating: 2 eggs salt half a teaspoon of garlic powder a handful of fresh parsley breadcrumbs mild olive oil for frying for the mayonnaise: 2 eggs 1 clove of garlic salt 2 piquillo peppers juice of half a lemon 350 ml of sunflower oil