Whole Wheat Waffles

From:  https://www.kingarthurflour.com/recipes/whole-wheat-waffles-recipe

For my family (including Grandma and Grandpa), I typically have to 4x this recipe.

Ingredients

• 1 1/2 cups (170g) White Whole Wheat Flour (6 cups)
• 2 teaspoons baking powder (2 Tbsp + 2 tsp)
• 1/2 teaspoon salt (2 tsp)
• 2 tablespoons (25g) granulated sugar (1/2 cup)
• 1 large egg (4)
• 1 1/2 cups (340g) lukewarm milk (6 cups)
• 5 tablespoons (71g) melted butter or 1/3 cup (67g) vegetable oil (1 1/3 cup)

Instructions

1. Preheat your iron while you make the waffle batter.
2. Whisk together the flour, baking powder, salt, and sugar.
3. In a separate bowl, whisk together the egg, milk, and butter or oil.
4. Mix together the wet and dry ingredients, stirring just until combined. The batter will be a bit lumpy; that's OK.