Amazing Mexican Breakfast Casserole

Bahan-bahan (12 porsi)

• 1.25 pounds ground sausage* or Mexican chorizo
• 1 small white onion, peeled and diced
• 1 poblano or green bell pepper, cored and diced
• 4 cloves garlic, minced
• 1 (15-ounce) jar red or green salsa (approx. 2 cups)
• 1 (15-ounce) can black or pinto beans, rinsed and drained
• 2/3 cup whole-kernel corn, frozen or canned
• 1 teaspoon ground cumin
• 1 teaspoon fine sea salt
• 12 large eggs
• 1/3 cup milk
• 8 corn tortillas, halved
• 3 cups shredded Mexican-blend cheese
• optional toppings: diced avocado, diced red onion, chopped fresh cilantro, diced green onion, sliced fresh jalapeños, and/or crumbled cotija cheese