These lemon muffins are light and delicate. The best muffin recipe.

Ingredients

• ½ cup butter ((or margarine), softened)
• ½ cup sugar
• zest of 1 lemon (about 1 tablespoon) (grated)
• 2 tablespoons milk
• 2 eggs (separated)
• 3 tablespoons lemon juice ((about 1 lemon))
• 1 cup all-purpose flour
• 1 teaspoon baking powder
• ¼ teaspoon salt