Halve the lime, squeeze the juice. Peel garlic and chop finely. In a pot, mix Worcestershire sauce, ketchup, maple syrup, soy sauce, brown sugar, chopped garlic, mustard, allspice, lime juice and oil and bring to the boil. Let the sauce simmer for about 5 minutes, stirring occasionally
Place the ribs on a baking tray and spread with half of the marinade. Roast the meat in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for 60-70 minutes. After about half of the cooking time, coat with the remaining marinade
Bake French fries in hot fat according to package instructions. Remove and season with salt and a little pepper. Arrange ribs and French fries on plates and serve immediately