Make Ahead Eggs for a Crowd

Bahan-bahan (15 porsi)

• 24 large eggs
• 1 cup milk (cream, or half and half)
• 2 & 1/2 teaspoons kosher salt
• 1 teaspoon black pepper
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/2 teaspoon mustard powder
• 1 teaspoon seasoning salt
• 1/4 teaspoon cayenne pepper
• 1/2 cup butter ((1 stick))
• 1 (8-oz) package cream cheese
• green onions (or chives, to garnish (optional))
• shredded cheddar cheese (to garnish)