Croquetas melosas de jamón ibérico
milk (1.2 liters) • heavy cream (400 grams) • ham bone • Iberian ham, diced (150 grams) • large onion (7–9 oz / 200–250 grams) • all-purpose flour (80 grams) • –4 1/4 tablespoons unsalted butter (1.8–2.1 oz / 50–60 grams) • olive oil (80 grams) • All-purpose flour • Eggs • Crispy breadcrumbs