Prep and cook time: 30 mins to 1 hour Serves: 4 Ingredients Olive oil 1 red onion, cut into thick slices through the root 6 tablespoons balsamic vinegar Salt and pepper 8 thick slices Raisin and Rosemary bread A couple of knobs butter 1 curly leaf lettuce 225g Strong Cheddar Cheese, thickly sliced Method To make the onion marmalade, heat a little oil in a pan, throw in the onion and leave on a low heat to cook down slowly, adding a little water if needed. When soft add the balsamic vinegar and continue to cook for a few minutes. Season the marmalade to taste. Spread the Raisin and Rosemary Bread with butter and make up each sandwich with lettuce leaves, onion marmalade, a couple of slices of Cheddar and seasoning. Nutrition Info (per serving): 756 calories, 49 g fat.