Perfect Pot Roast

Name: Perfect Pot Roast
Cuisine: American
Ingredients: 4 pounds boneless chuck roast (excess fat trimmed); Kosher salt and freshly ground black pepper (to taste); 2 tablespoons canola oil; 1 medium sweet onion (cut into 1-inch wedges); 2 tablespoons tomato paste; 4 cloves garlic (minced); 1 cup dry red wine; 1 cup beef stock; 3 large carrots (cut into 3-inch pieces); 8 ounces cremini mushrooms (sliced); 4 sprigs fresh thyme; 1 sprig fresh rosemary; 1 1/2 pounds small Yukon gold potatoes; 2 tablespoons chopped fresh parsley (for garnish)