Muffin recipes ... yet more brown sugar, granulated sugar, all-purpose flour, ground cinnamon, and melted butter. If you ...

These blueberry muffins are are topped with handfuls of buttery, crispy, brown sugar streusel ... Perhaps predictably, early ...

In a medium bowl, combine the brown sugar, flour, butter and cinnamon. Rub with your fingers to form coarse crumbs. Refrigerate until ready to use. 2. Make the muffins: Butter a 12-cup muffin pan.