1. First, cut the barbecue beef heart tube to a thickness of about 0.5 cm, and then brush a thin layer of oil on the cut surface.

2. Heat the baking tray, put the cut beef heart tube into it, and fry it on medium heat for about 1-2 minutes on each side until the surface is golden.

3. Take out the fried beef tube, cool it slightly, and cut it into thin slices.

4. If you want to taste more tender and smooth, you can slice the beef heart tube first, then fry it, and then brush it with oil. The frying time is about 30 seconds to 1 minute.