Homemade Green Bean Casserole

INGREDIENTS

1 1/2 lb

fresh green beans (trimmed)

3 tbsp

butter

1/2

onion (thinly sliced)

1 clove

garlic (minced)

1/2 lb

white button mushrooms (sliced or chopped)

salt and peper

3 tbsp

flour

1 cup

low sodium chicken stock

1/2 tsp

worcestershire

1 cup

heavy cream (or half-and-half or milk)

1 can

french fried onions