Our take You don’t need to lug a stove to enjoy a hot meal on a short getaway with Omeals’ self-heating packets. Each one comes with a sealed packet of fully-cooked food and a biodegradable heating element. To warm up your chow, just open up the element and toss it in with the meal packet and a few ounces of water, then seal up the bag and watch as it puffs up and blows out steam from a vent at the top. The spicy dish of rice, corn, beans, and chicken comes out piping hot in three to five minutes, and rivals what you’d find south of the border. Ding: There’s a lot of extra packaging to carry out.