Swap a mayonnaise base for cherry tomatoes, olives, roasted red peppers and fresh Italian herbs in this low-fat salad
Heat the oil in a saucepan, add the onion and cook for 5-10 mins until soft. Add the garlic and oregano and cook for 1 min. Add the tomatoes and peppers, season well and simmer gently for 10 mins.
Meanwhile, cook the potatoes in a pan of boiling salted water for 10-15 mins until tender. Drain well, mix with the sauce and serve warm, sprinkled with olives and basil.