Rice

This one being a staple in everyone’s diet, it is not hard to source and incorporate in a meal. Rice is a rich source of carbohydrates, providing around 200 calories per cup. It also has a generous amount of protein and fibre. It is a very filling food, and it can be eaten with other high-calorie food for weight gain. Brown rice is the best option for weight-gain foods as it additionally provides nutrient-packed bran and germ layer.

A tasty recipe for tomato rice can be found below:
Saute olive oil, garlic, onions, and desired vegetables in a pan for a few minutes.
Boil brown rice for 25 - 30 minutes until liquid is completely absorbed.
Add tomato puree and rice to the sauteed veggies along with coriander on top.