Pesto Prosciutto Dutch Baby

Ingredients (10)

• 4 eggs room temperature
• 3/4 cup milk room temperature
• 3 tbsp melted butter separated
• 1/2 cup all purpose flour
• 2 tbsp cornstarch
• 1/2 tsp salt
• 1/2 tsp fresh cracked black pepper
• 1/2 cup pesto separated
• 1/2 cup swiss cheese shredded and separated
• 2 oz prosciutto torn into pieces (see Note 1)