Make-Ahead Freezer Breakfast Sandwiches

Bahan-bahan (6 porsi)

• 8 eggs ((large))
• 1/4 cup milk
• 1 Tbsp sour cream (or plain Greek yogurt)
• 1/2 tsp sea salt (or to taste)
• 1/4 tsp black pepper
• 1/2 cup mozzarella cheese (shredded or your favorite cheese)
• 6 English muffins
• 2 Tbsp unsalted butter (plus more to grease the pan)
• 4 oz Monterey Jack Cheese ((6 slices) or your favorite cheese)
• 8 oz Black Forest Ham ((12 slices) or your favorite deli meat)