How long can a dog's heart be cooked?

Half an hour.

Dog heart can be eaten, and its function is to control anxiety and eliminate evil spirits.

Wash the dog heart, soak it in clear water for 4 hours, take it out, rinse it for three times, dry it, cut it into thin slices, put it in a porcelain bowl, and add eggs and starch. Refining salt, and homogenizing by hand; Blanch bamboo shoots and carrot slices in boiling water, take them out, control the water, light a frying spoon, add peanut oil to heat them, add the beaten dog liver, slide them open, fry them thoroughly, take them out and pour out the remaining oil.