Tex Mex Soup

Ingredients

• 1 medium onion, chopped
• 1/2 lb ground beef
• 1 (14 ounce) can tomatoes
• 1 (14 ounce) can beef broth
• 1 (8 ounce) can tomato sauce
• 1 (4 ounce) can green chilies, chopped
• 3 cups water
• 1 teaspoon cumin
• 1 teaspoon chili powder
• 1/2 teaspoon garlic powder
• 1/4 teaspoon salt
• 1 teaspoon Worcestershire sauce
• 1 teaspoon steak sauce
• 3/4 cup cheddar cheese, shredded
• 6 corn tortillas, chopped