Quick and easy, and very tasty - use over or through pasta
2 tins chopped tomatoes, or equivalent in fresh/bottled etc
2 onions, sliced finely
2 peppers, de- seeded and sliced, not too finely
1 1/2 tsp pesto
1 1/2 tsp smoked paprika
olive oil for frying
Heat oil in pan, then fry onions until just soft, then add peppers and stir well, fry until peppers just cooked but still crunchy. Add rest of ingredients, stir well and simmer with lid on for 20 minutes or so.