Alleviate Frijoles charros discount. Frijoles charros is one of my all-time favorite Mexican dishes. For weeks, José had been bugging me to make his Tía Carola's frijoles charros. Outside of El Charco de Las Ranas, his favorite taquería in. Frijoles charros, or cowboys' beans, is a very simple dish made from beans and spices. The origins of frijoles charros are found in the Mexican cowboys who would work long days herding cattle....