Chili Macaroni Casserole

Ingredients

• 16 ounces elbow macaroni
• 2 pounds lean ground beef
• 1/2 cup chopped onion
• 16 ounces tomato sauce
• 14 1/2 ounces diced tomatoes
• 14 ounces whole kernel corn, drained
• 15 ounces kidney beans rinsed and drained
• 1 1/4 ounces taco seasoning mix
• 1 1/4 ounces chili seasoning mix
• 10 3/4 ounces condensed cheddar cheese soup
• 10 3/4 ounces milk
• 1 cup shredded cheddar cheese
• 1/2 cup sour cream
• 1 1/2 teaspoons garlic powder
• 1/2 teaspoon salt
• 1/2 teaspoon black pepper
• 1 cup shredded cheddar cheese
• 1 cup tortilla chips crushed
• 1/2 cup sour cream optional