Meals in Pill Form
For some reason, a lot of scifi fixates on the idea that people in the future think eating is a hassle. Who were these authors hanging out with, supermodels? We don't know anyone who would rather pop a pill than enjoy a real meal. Food replacement capsules could be useful in extreme cases, such as during a famine or on long space trips, but the general public is always going to prefer real nom-noms.