Chinese Pot Roast

4-5 lbs. boneless chuck or tri-tip
2 Tbsp. oil
2 large white onions, chopped
½ cup soy sauce
1¼ cups sherry
1 tsp. sugar
5 cloves garlic, minced
4 whole The Spice Hunter Star Anise
½ tsp. The Spice Hunter Muntock White Pepper
1 (14½ oz.) can peeled tomatoes, with juice
4 carrots, diced
4 celery stalks, diced
4 potatoes, diced
2 Tbsp. cornstarch
2 Tbsp. water
½ tsp. sesame oilHeat large flameproof casserole over high heat, add oil and brown meat. Move meat to platter. Cook onions. Add next seven ingredients and meat. Cover and cook gently for 2 hours. Add carrots, celery and potatoes. Simmer covered for ½ hour. Uncover, simmer 20-30 minutes to reduce liquid. Mix cornstarch and water, add to casserole. Cook until thickened. Add sesame oil. Remove star anise and serve.