How to make yam and beef cubes

What does it mean to cook healthy food? I guess I have to at least do it myself. Now, let me introduce to you how to cook yam and beef cubes.

Maybe you have eaten yam and beef cubes before, but you never knew it was made like this. And since you are well aware of the real practices, what reason do you have to do it yourself? In this way, you will experience the true sweetness.