My family always eats the pecan porridge of black beans, walnuts, rice, corn, rice, corn, red sugar, food and nutrition. Taste is sticky, delicious, and family loves it. Black beans, black rice, and so on. Black beans are particularly nutritious and are high-protein, low-calorie foods. The protein content in black beans is 45 per cent or more, and the quality protein is one quarter higher than the soybeans and is higher than that of other beans。