Wash and trim the green beans. If you’re using fresh, give them a quick chop so they’re bite-sized. If frozen, just thaw a bit so they’re not icy cricks in your sauce.

Layer the beans in the crockpot. It’s a casserole, not a performance: no need to worry about perfect placement.

In a bowl, whisk together the cream of mushroom soup, sour cream, and milk. If you like extra flavor, stir in the minced garlic. Pour this silken goodness over the beans.

Sprinkle in salt, pepper, and half the shredded cheese. Give it a gentle stir to coat the beans without turning them into mush.

Cover and cook on low for 3–4 hours, or until the beans are tender and the sauce is bubbling. If your schedule is chaotic, use the high setting for 2–3 hours, but keep an eye on it so the top doesn’t get mushy.

Stir in half the French-fried onions and the rest of the cheese. Top with the remaining onions, then re-cover for 10–15 minutes to let the topping get a little toasty and golden.

Serve hot straight from the crockpot. Pro tip: if you pulled this off for guests, a quick switch to warm mode keeps it inviting for seconds—because there will be seconds.