if you want to ask"how do you like", you need make sure he\she like it, but the degree may be the answer you want to know. another hand, if you want someone to do something just as you like(or your way), you can aslo use"how do you like..." "Do you like..." is not complicated to use, if you want to know which thing or which way to do, you can ask he\she"do you like..."or"do you mind..." these are what i think, if they can help you , you can refer