Alton Brown's Sweet Potato Waffles Recipe - USA

Ingredients

• 1.5 cups peeled and cubed sweet potatoes
• 2 cups all purpose flour
• 1 tbsp baking powder
• 0.5 tsp salt
• 6 egg whites , at room temperature
• 1 cup milk
• 0.25 cup firmly packed light brown sugar
• 0.25 cup melted butter
• 1 tbsp grated orange rind
• vegetable spray, for waffle iron
• special equipment: steamer basket and waffle iron