Mongolian Beef Stew

Ingredients

• 1 lb beef chuck roast
• 1 tbsp vegetable oil
• 1 cup diced onion
• 2 cloves minced garlic
• 3 cups diced potatoes
• 1 cup diced carrots
• 1 cup diced celery
• 1 tbsp all-purpose flour
• 1 tsp dried thyme
• 2 cups beef broth
• 1 tsp Worcestershire sauce
• 1 tsp salt
• 1 tsp black pepper