Roast in a Slow Cooker

Ingredients (11)

• + 1 (3 1/2) pound boneless beef chuck roast add to pantry
• + 1 (14.5 ounce) can cream of mushroom soup add to pantry
• + 1 (14.5 ounce) can beef gravy ( such as Campbell's® Franco-American®) add to pantry
• + ½ cup brown sugar add to pantry
• + 1 (1 ounce) package dry onion soup mix add to pantry
• + 2 tablespoons distilled white vinegar add to pantry
• + 1 tablespoon soy sauce add to pantry
• ✓ 1 tablespoon Worcestershire sauce
• + ¼ teaspoon salt add to pantry
• ✓ ¼ teaspoon ground black pepper
• ✓ 2 tablespoons all-purpose flour, or as needed