Brighten your day with these Sourdough Blueberry Lemon Poppy Seed Muffins! Bursting with zesty lemon flavor and sweet blueberries, these muffins are perfectly fluffy and topped with a delightful crumble and a tangy lemon glaze. Ideal for breakfast, brunch, or as a wholesome snack, they also make excellent meal prep options—freezing beautifully for later enjoyment. Made with sourdough discard, these muffins help reduce food waste while offering a delicious way to savor the unique flavors of a bakery-style treat at home. Enjoy them warm or at room temperature; once you taste them, you’ll want to keep this recipe on hand!