Ocado Brown Onions. Bright with blemish free skin and firm to the touch, these fresh onions have a distinctive savoury flavour that only onions bring to a dish. Ideal as the base for many of your favourite meals like curries, stews and soups, it's also tasty when quartered, drizzled in olive oil and roasted. Serving Suggestion For a tomato sauce, peel and finely chop onion and fry in a pan with a little olive oil until caramelised. Add crushed garlic, chopped tomatoes, a little tomato purée and crumble in a stock cube. Serve with pasta and your favourite meat, fish or veggie accompaniments.