Dal is considered an affordable protein source for vegetarians for several key reasons: Cost-effectiveness : Dried lentils, beans, and peas that make up dal are among the cheapest protein sources available. They cost significantly less per gram of protein compared to meat, dairy, or even many other plant proteins like nuts or quinoa. Protein density : Dal provides substantial protein content - typically 15-25 grams per cooked cup depending on the variety. This makes it comparable to many animal proteins in terms of protein yield per serving. Long shelf life : Dried legumes can be stored for months or even years without refrigeration, reducing waste and allowing bulk purchasing at lower prices. This storage stability makes them accessible even in areas with limited infrastructure. Minimal processing required : Unlike many commercial protein products, dal requires only basic cooking with water and simple spices, avoiding the cost markup of processed foods. High yield : A small amoun...