Step 1: Preheat your oven to 425°F (220°C) for perfect puffiness.
Step 2: In a mixing bowl, whisk together eggs, flour, milk, vanilla extract, and sugar until smooth.
Step 3: Heat your skillet on medium heat, add butter, and let it melt while swirling to coat.
Step 4: Carefully pour the batter into the hot skillet once the butter is melted and bubbling.
Step 5: Bake in the preheated oven for 20-25 minutes until puffed and golden brown.
Step 6: Dust with powdered sugar and serve with raspberries or whipped cream.