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.
Make it vegetarian
Leave out the beef and cook 1 chopped aubergine and 1 chopped courgette along with the pepper. Finish by sprinkling over some feta cheese.
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