Gluten-Free (Or Not) Classic Belgian Waffles - a hint of rosemary

Ingredients

• 3 cups gluten-free all-purpose flour ((or regular all-purpose flour))
• 4 teaspoons baking powder
• 1 teaspoon salt
• 6 tablespoons granulated sugar
• 6 large eggs, separated
• 2 cups milk
• 8 tablespoons unsalted butter, melted & cooled
• 4 teaspoons pure vanilla extract
• powdered sugar, for serving ((optional))
• pure maple syrup, for serving ((optional))