Instant coarse grain rice partner and processing method thereof

The invention discloses an instant coarse grain rice partner and a processing method thereof, and belongs to the technical field of deep processing of agricultural products. The instant coarse grain rice partner comprises 3-7 parts of black bean, 5-13 parts of Semen Phaseoli, 1-5 parts of kidney bean, 1-5 parts of green bean, 4-14 parts of black rice, 5-9 parts of brown rice, 4-10 parts of red polished round-grained rice, 5-9 parts of naked barley, 3-7 parts of coix seed, 3-11 parts of sorghum, 5-9 parts of corn grit, 2-6 parts of oat grain, 4-12 parts of buckwheat, 3-11 parts of Panicum miliaceum, 2-10 parts of millet and 9-13 parts of glutinous rice. The invention also provides a processing method combining preliminary steam slaking with microwave slaking. The rice partner produced by using the method has the characteristics of coarse and refined grain matching, balanced nutrition, simultaneous cooking with rice, fastness and convenience, and can meet the nutritional needs of different groups of people.