1. Preheat oven to 325°.
2. Heat a Dutch oven over medium-high heat. Add 1 tablespoon oil; swirl. Sprinkle beef with 1/4 teaspoon salt and 1/4 teaspoon pepper; cook 10 minutes, browning on all sides. Remove from pan. Add onion; sauté 4 minutes. Add tomato paste and garlic; sauté 1 minute. Add beef and broth; bring to a boil. Cover and bake at 325° for 2 hours.
3. Combine remaining 1 tablespoon oil, parsnip, carrot, sweet potato, remaining 1/4 teaspoon salt, and remaining 1/4 teaspoon pepper on a foil-lined jelly-roll pan; toss to coat. Place pan on bottom rack in oven; bake at 325° for 50 minutes, stirring once.
4. Cut beef across grain into slices. Return Dutch oven to medium-high heat; cook sauce 5 minutes. Place 1/2 cup vegetables in each of 4 shallow bowls; top with 3 ounces beef and 1/4 cup sauce.