Quinoa

Quinoa is high in fiber and high-quality protein. It contains more protein than any other grain while also packing in iron and potassium. Quinoa has 222 calories per serving, making it a suitable food for weight gain, with 39 grams of carbs and 4 grams of fat too. It also contains a small amount of omega-3 fatty acids.

Quinoa is one of the few plant-based complete proteins, having the 9 essential amino acids. Not only is it non-GMO, gluten-free, but it is also usually grown organically.

There are many tasty ways to eat quinoa like preparing quinoa fried rice with this recipe:
Heat butter in a large pan. Add an egg and cook until it is scrambled.
Add carrot, onions, peas and garlic and saute for 5 minutes.
Add in cooked quinoa, soy sauce and green onions to the mixture.