Irish Stout Beer Pot Roast

1 (12 fluid ounce) can or bottle Irish stout beer (such as Guinness®)

1 (10.75 ounce) can condensed cream of mushroom soup

1 (1 ounce) package dry onion soup mix (such as Lipton®)

1 small onion, chopped

1 clove garlic, minced

1 (2 1/2 pound) boneless beef chuck roast

1 pinch salt and ground black pepper

1 (10 ounce) bag baby carrots

1 (16 ounce) package baby red potatoes, cut in half

3 stalks celery, cut into 3-inch pieces

What You Need