Lemon Poppy Seed Yogurt Muffins Recipe

Name: Lemon Poppy Seed Yogurt Muffins Recipe
Ingredients: 2 cups all-purpose flour; 1/2 cup plus 1 tablespoon sugar; 2 1/2 tablespoons poppy seeds; 2 teaspoons baking powder; 1/2 teaspoon baking soda; 1/4 teaspoon salt; 1 cup fat-free Greek yogurt; 8 tablespoons unsalted butter, melted and cooled; 2 teaspoons freshly grated lemon zest (zest from one lemon); 1 1/2 teaspoons pure vanilla extract; 1 teaspoon lemon extract; 1/3 cup fresh lemon juice (about 1 large lemon); 2 eggs, plus 1 egg yolk, lightly beaten