Grandma’s Fluffy Cinnamon Sugar Donut Muffins are a delightful treat that combines the warm, sugary goodness of cinnamon sugar with the soft, fluffy texture of a muffin. Perfect for breakfast or a snack, these homemade muffins are easy to make, filling your home with the irresistible scent of cinnamon. In just 30 minutes, you can enjoy a comforting, nostalgic treat loved by all.