1. Packets of oatmeal
The best places to buy are supermarkets.
The average product costs $2.85.
This tip will show you how to prepare oatmeal straight from the packet, so don’t worry if you packed a tasty packet of oats to eat on the go and forgot to bring a bowl. Turn the instant oatmeal package over so that the upper side faces the table.

Packets of oatmeal don’t need bowls (Twitter.com) OLIVIA TARANTINO
Its old top will act as a watertight seal. Tear open the bag and fill the packet with boiling water. To be sure it works, you might want to give it a try with some lukewarm water first. Oatmeal is unbeatable as a nutritious snack, especially if it contains whole grains and fiber.
