Mom's Green Bean Casserole

1 1/2 TBS butter
3 TBS flour
1 1/2 cups milk
1 chopped onion
2 cloves minced garlic
1 1/4 lbs. fresh green beans, ends trimmed
4 tsp dry ranch dressing mix
1/2 tsp pepper
1 cup fresh toasted bread crumbs

Cook beans until just crisp-tender.
Make a white sauce of the butter, flour, and milk.
Stir in dressing mix and pepper.
Heat oven to 350°
Cook onion and garlic until tender. Divide in half.
Combine green beans with 1/2 of the onions and the sauce.
Place in a 1 1/2 quart baking dish.
Combine other half of the onions with the bread crumbs and sprinkle over casserole.
Bake uncovered at 350° for 30 minutes
(From Genavieve Hunter)