Slow Cooker Pot Roast   Save Print Author: Big Messy Man Recipe type: Entree Cuisine: American Ingredients One 4-pound beef chuck roast Kosher salt and freshly ground black pepper ⅓ cup all-purpose flour, plus more for coating 3 tablespoons olive oil 4 medium carrots, cut into 2-inch pieces 3 stalks celery, peeled and cut into ...