Cheesy Potato, Egg and Ham Breakfast Casserole

Bahan-bahan (12 porsi)

• 1 large russet potato (baked and cooled)
• 1/4 - 1/2 cup shredded sharp cheddar cheese
• 1 cup ham (diced small)
• 1/4 cup very finely sliced green onions
• 8 eggs (lightly beaten)
• 1/2 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper