Best Green Bean Casserole without breadcrumbs

Ingredients

• rosemary
• thyme
• onion
• flour
• brown sugar
• carrot
• potatoes
• milk
• crushed tomatoes
• chicken breast
• garlic
• butter

Instructions

1. Preheat the oven to 400°F (200°C).
2. Warm butter in a Dutch oven; sauté the onion and garlic until soft.
3. Stir in flour and cook for 1 minute to form a light roux.
4. Whisk in milk gradually; simmer until slightly thickened.
5. Add the main ingredients and seasonings; cook until tender.
6. Transfer to a baking dish; top with cheese and bake until golden and bubbling.
7. Rest 5 minutes, then serve hot.