Deli Sandwich Dutch Baby

Ingredients

• Dutch Baby
• ½ teaspoon kosher salt
• ½ teaspoon freshly ground black pepper
• ¼ teaspoon freshly grated nutmeg
• 3 eggs, at room temperature
• ¾ cup whole milk, at room temperature
• ½ cup all-purpose flour
• 3 tablespoons salted butter, cubed
• Toppings
• 2 slices blue cheese, such as Saint Agur triple-cream blue
• 3 to 5 cornichons, thinly sliced lengthwise
• 4 slices prosciutto, salami, or mortadella
• Quick pickled red onions , to garnish
• 2 cups microgreens, shoots, soft herbs or a combination
• Freshly ground black pepper