How to Supreme Citrus
A.k.a how to cut out the fruit segments without the yucky white pith attached.
Carefully remove both ends of the grapefruit with a knife so that it can stand up on either side
Using a paring knife, gently remove the skin of the grapefruit so that the knife is cutting from one open end to the other in a gentle downward motion
Once all the skin is removed you’ll be able to see that each segment of the grapefruit is separated by a wall, aka membrane
Carefully use your knife to cut on the inside of each segment wall, releasing the grapefruit segment