Corn Chip Tacos

Ingredients

• 2 1/2 lb. ground beef
• 1 large onion, chopped
• 2 tsp. chili powder
• 2 tsp. dried whole oregano
• 2 tsp. ground cumin
• 2 tsp. salt
• 1/4 c. sugar (optional)
• 1/4 tsp. garlic powder
• 2 (8 oz.) cans tomato sauce
• 3 (6 oz.) cans tomato paste
• 4 c. water
• 1 (10 oz.) pkg. corn chips
• 1 large onion, chopped
• 2 green peppers, chopped
• 1 avocado, chopped
• 1 small head iceberg lettuce, shredded
• 3 tomatoes, chopped
• 1 c. sliced black olives or pimiento-stuffed olives
• 2 c. (8 oz.) shredded Cheddar cheese
• taco or picante sauce