Praline Waffles

INGREDIENTS

• 3 eggs, separated
• 1 1/2 cups buttermilk
• 8 Tbs. (1 stick) unsalted butter, melted
• 1/2 tsp. vanilla extract
• 1 1/2 cups all-purpose flour
• 1 1/2 tsp. ground cinnamon
• 1 1/2 tsp. baking powder
• 1 tsp. baking soda
• 1/4 tsp. plus 2 pinches of kosher salt
• 3 Tbs. granulated sugar
• 1 cup firmly packed dark brown sugar
• 1/2 cup maple syrup
• 8 Tbs. (1 stick) unsalted butter, cut into cubes
• 1 cup roughly chopped toasted pecans