An easy, superhealthy stew full of vitamin C Ingredients: 1 onion, sliced 1 garlic clove, sliced 2 tbsp olive oil 300g pack beef stir-fry strips, or use beef steak, thinly sliced 1 yellow pepper, deseeded and thinly sliced 400g can chopped tomatoes sprig rosemary, chopped handful pitted olives Method: In a large saucepan, cook onion and garlic in olive oil for 5 mins until softened and turning golden. Tip in the beef strips, pepper, tomatoes and rosemary, then bring to the boil. Simmer for 15 mins until the meat is cooked through, adding some boiling water if needed. Stir through the olives and serve with mash or polenta. Source: Good Food