Harissa Beef Pot Roast Recipe

Name: Harissa Beef Pot Roast Recipe
Ingredients: 1 tablespoon whole cumin; 2 tablespoons olive oil; 1 lemon, halved; 1 (3-4 pound) beef chuck roast; 1 tablespoon salt, plus more to taste; 1 tablespoon pepper, plus more to taste; 1 medium onion, cut into wedges; 4 cloves garlic, peeled and smashed; ½ cup Harissa sauce; 2 cups chicken or vegetable stock; 2 (7.5-ounce) cans or 1 (15-ounce) can garbanzo beans, drained; 2 large carrots, peeled and cut into chunks; 2 large parsnips, peeled and cut into chunks