Describe someone you know who is a good cook.
Who is this person- INTRO
How you know him/her - BODY 1
What kind of foods she cooks – BODY 2
Explain why this person is good at cooking.

My mother is one of the best cooks I've ever known.
In the past, my family used to go to (the) Korean restaurants to eat special and nutritious food. However, in recent years, we are eating my mothers’ cook frequently. = However, in recent years, we have been eating my mother's cooking more frequently.

At first, my mother was weak at a cooking. = At first, my mother was not very good at cooking. But, when I was in university, my mother wanted to learn how to cook well. So she enrolled in cooking school. After 6 months, my mother earned various cooking certifications such as Korea traditional food, Chinese food and Japanese food.
Thus, she was good at a variety of cooking. She provides our family with foods contain ingredients that are low in calories, cholesterol and fat. =  She provides our family with foods that are low in calories, cholesterol and fat.

There are a couple of reasons why she is a good chef.
The diet offered from my mother is not only a heathy food for my whole family but a well-balanced diet as well. = The diet my mother offers is not only a heathy food for my whole family but a well-balanced diet as well.

She doesn’t use artificial flavors and food additives. So my family usually eating nutritious and healthy food. = So my family is usually eating nutritious and healthy food.
Besides, she often made Korean traditional foods such as duck dish. it is helpful in recharging my batteries. = It is helpful for recharging my batteries. It goes without saying that eating my mother’s food is very exciting and mouth-watering.