Taco Soup I

Ingredients

• 1/2 pound lean ground beef
• 1/4 cup chopped onion
• 1 1/2 cups water
• 1 (16 ounce) can chopped stewed tomatoes, with juice
• 1 (15 ounce) can kidney beans with liquid
• 1 (8 ounce) can tomato sauce
• 2 tablespoons taco seasoning mix
• 1 avocado - peeled, pitted and diced
• 1 cup shredded Cheddar cheese (optional)
• 1 (12 ounce) package corn tortilla chips (optional)
• 1 (8 ounce) container sour cream (optional)