Mexican Lasagna Bake

Ingredients

• 1 pound ground beef
• 1 onion, finely diced
• 2 cloves garlic, minced
• 2 (1-ounce) packets taco seasoning
• 1 cup water
• 1 green bell pepper, finely diced
• 1 (28-ounce) can low-sodium diced tomatoes, undrained
• 1 cup corn
• 1 (15-ounce) can black beans, rinsed and drained
• 1 cup cottage cheese
• 1 cup sour cream
• 1/2 teaspoon cumin
• 1 egg
• 9 lasagna noodles, cooked and cooled
• 2 cups cheddar cheese, shredded, divided
• 2 cups mozzarella cheese, shredded, divided
• sour cream, to taste
• lettuce, chopped, to taste
• tomatoes, chopped, to taste
• olives, chopped, to taste
• green onions, chopped, to taste
• cilantro, chopped, to taste