Question: To create lemon zest.
Option 0: For the lemon zest, grate only the inner yellow skin. Avoid using the outer white skin as it will have a bitter taste. The lemon zest will brighten up all the flavors in the muffins.
Option 1: For the lemon zest, grate only the outer yellow skin. Avoid using the inner white skin as it will have a bitter taste. The lemon zest will brighten up all the flavors in the muffins.
Answer: 1