Crisp and Airy Gluten-Free Waffles

Ingredients:

• 1 cup certified gluten-free rice flour
• 1/2 cup certified gluten-free chickpea flour
• 1/2 cup certified gluten-free tapioca flour
• 3 tablespoons sugar
• 1 1/2 teaspoons baking powder
• 1 teaspoon pure vanilla extract
• 1/2 teaspoon fine salt
• 1 cup milk
• 1/2 cup vegetable oil, plus more for brushing waffle iron
• 2 large eggs, separated
• Soft unsalted butter and pure maple syrup, for topping

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