From 750 Best Muffin Recipes. Based on Spain's deep-fried doughnuts, these muffins are outrageously good, without getting out the fryers! Rolling the light muffins in butter and cinnamon sugar while they are still warm gives them the taste of being fried. They taste exactly like the real thing! Note: DO NOT use all-purpose flour! And while the batter may not taste like you expect, trust me; the muffins will turn out wonderful!