Lemon Poppyseed Muffin

Unbleached flour (unbleached wheat flour, malted barley flour, niacin, reduced iron, thiamin mononitrate, riboflavin, folic acid), whole milk plain yogurt, brown sugar, powdered sugar, unsalted butter, eggs, poppy seeds, lemon juice, aluminum-free baking powder, lemon zest or emulsion, baking soda, salt