extra-virgin olive oil, divided
beef chuck roast
medium yellow onion, chopped
medium carrots, peeled and cut crosswise into 1" pieces
all-purpose flour
red wine
(1.3-oz.) package McCormick Slow Cookers Savory Pot Roast seasoning mix
rigatoni, cooked
Freshly chopped parsley, for serving
Freshly grated Parmesan, for serving