Ingredients: 2 cups all-purpose flour 1/2 cup granulated sugar 3 teaspoons baking powder 1/2 teaspoon salt 1 cup milk 1 egg, beaten 1/4 cup melted butter, cooled Zest of 1 lemon 1 cup diced Bartlett USA pears (about 2 medium pears) 1/2 cup chopped walnuts or pecans   Optional …