Sweet-and-Sour Cauliflower

Cook yellow onion and garlic in olive oil with a ¼ teaspoon salt until tender.

Add diced tomatoes, raisins, sherry vinegar, and sugar. Cook for 5 minutes.

Add cauliflower florets and ½ teaspoon salt and ¼ teaspoon pepper. Cook until tender, about 10 minutes. Serve over couscous with parsley.