Denver Egg Casserole

Bahan-bahan (6 porsi)

• 9 large eggs
• ½ cup heavy whipping cream
• ⅓ cup finely diced white onion
• 1 tablespoon butter
• 1 cup shredded cheddar cheese
• 1 ⅓ cups diced ham
• ½ cup finely diced green bell pepper (or red bell pepper)
• salt and pepper to taste