Add eggs, sugar, oil, lemon extract (optional), lemon rind, lemon juice and mix well.
Add sour cream, flour, baking powder, baking soda and mix just until combined.
Pour into a 9"x5" loaf pan lined with parchment paper and bake at 350F for about 30-40 minutes or until tester comes out clean. Let cool.
Icing: mix icing sugar with lemon juice and mix well. Pour over cooled loaf and enjoy!