Air Fryer Lamb Ribs with Madeira Sauce

Ingredients

• 24 small lamb ribs, about 16 oz. (450 g)
• 1 cup (4 oz or 125 g) seasoned flour
• 3 tablespoons (1.6 fl oz or 45 ml) sherry vinegar
• 1/2 teaspoon (2.5 g) chili sauce
• 1 tablespoon (15 g) tomato paste
• 1 tablespoon (15 ml) soy sauce
• 1 teaspoon (2 g) cayenne pepper powder
• 1 tablespoon (5 g) brown sugar
• salt and black pepper, to taste
• For the Madeira Sauce:
• 1 medium (3 oz or 110 g) onion, chopped
• 2 tablespoons (2 oz or 30 g) unsalted butter
• 1 cup (8 fl oz or 250 ml) reduced-sodium beef stock
• 2 tablespoons (15 g) plain flour
• 1 cup (8 fl oz or 250 ml) Madeira