Easy Burgundy Stew

Ingredients

• 2 pounds beef boneless bottom or top round tip or chuck steak
• 4 carrot, sliced
• 2 medium stalks celery, sliced
• 2 medium onions, sliced
• 1 can (8 oz.) sliced water chestnuts, drained
• 1 can (8 oz.) mushroom stems and pieces, drained
• 3 tablespoons all purpose flour
• 1 tablespoon chopped fresh or 1 teaspoon dried thyme leaves
• 1 teaspoon ground mustard, (dry)
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1 cup water
• 1 cup dry red wine or beef broth
• 1 can (16 oz.) whole tomatoes, undrained