Braised Green Bean Bake - Gaz Oakley

Ingredients

• 4 tbs olive oil
• 1 large onion, finely chopped
• 5 garlic cloves, minced
• 6 tomatoes, chopped roughly
• Pinch celery salt & cracked black pepper
• 1 cup/250ml water
• 1 tablespoon dried oregano
• 1 pound/450g fresh green beans, ends trimmed and cut into bite-sized pieces
• 1 sprig rosemary