Puffed Oven Pancake with Brown Sugar-Banana Sauce

Ingredients

• 2 tablespoons of butter
• 4 eggs
• 2/3 cup of all-purpose flour
• 2/3 cup of fat-free milk
• 1/4 teaspoon of salt
• 1/2 cup of butter
• 1/3 cup of packed brown sugar
• 3 medium bananas, sliced
• 2 tablespoons of light rum or apple juice
• Powdered sugar (optional)
• Whipped cream (optional)