Spaghetti with Hooba balls Serves: 4 Ingredients 1 tbsp olive oil 1 onion, diced 3 cloves garlic, diced 1 red bell pepper, sliced 12 ripe red tomatoes, halved 1 tbsp olive oil 1 tsp butter 1 medium onion, finely chopped 1 stick celery, finely chopped 1 heaped tsp smoked paprika 1 heaped tsp red bell