What kind of rice? Plant based foods can be significantly less expensive than animal products if you get them in their whole food forms. Brown rice might be a little more effort to cook but it’s a lot more filling and nutritious. and in general whole grains are going go be a lot more filling than refined sources.

Leafy greens are known to slow metabolism, so if you can include them they will help you feel satiated for longer, and help your body use your nutrients more efficiently.

If you’re able to order anything online or find a grocery store that carries them, soy curls and tvp are bean-based meat alternatives that are extremely easy to cook. Prices on those vary though. Nutritional yeast is also great to have because it not only loads your food full of protein, but also adds a delicious cheesy/savory flavor. And it might not be the healthiest choice, but a big bag of msg is probably the least expensive way to give all your meals a good savory kick.

And try not to give up on beans. Out of all foods, beans are correlated with the longest lifespans. Try all different kinds, including lentils which are generally easier to cook. Few foods are less expensive than beans, so it’s worth learning to love them.