orange and lime work well too
Make room for a level space in your freezer for the muffin pan.
Slice up lemons into 12 slices
Place 1 or 2 slices of lemon (or other fruit) in each section of the muffin tin.
Fill the muffin pan with water
Freeze for 2 or more hours.
Remove the the ice cubes and place in a large pitcher or mason jars
This works well with water, lemonade or tea
Lemon Icecubes https://www.stockpilingmoms.com/lemon-ice-cubes/