Multigrain Pancakes

Name: Multigrain Pancakes
Ingredients: 1/2 cup all-purpose flour; 1/2 cup whole-wheat flour; 1/4 cup quick-cooking oats; 1/4 cup cornmeal; 3 tablespoons packed light brown sugar; 1 teaspoon baking powder; 1/2 teaspoon kosher salt; 1 large egg; 1/2 cup plain low-fat yogurt; 3/4 cup nonfat milk; 1/2 teaspoon finely grated lemon zest; 1/4 teaspoon freshly grated nutmeg; 3 tablespoons nut oil (such as almond or roasted peanut) or vegetable oil; Unsalted butter, for brushing; Butter and maple syrup, for serving