饮食英语作文的写作可以围绕健康饮食的重要性、均衡饮食的原则、定时定量的饮食习惯等方面展开。以下是一篇关于健康饮食的英语作文示例：

The Importance of a Healthy Diet

Nowadays, more and more people are in poor health. If we want to keep healthy, we should go on a healthy diet. A balanced diet is the foundation of good health. Though we may not like eating vegetables, they are rich in various nutrients and are very beneficial to our well-being.

We should also eat regular meals. Breakfast, lunch, and dinner are essential to provide our bodies with the energy needed for daily activities. Skipping meals can lead to energy deficits and affect our mood and productivity.

Moreover, it is advisable to avoid fast food as much as possible. Fast food is often high in calories, fats, sugars, and salts, which can contribute to various health issues when consumed regularly.

In conclusion, a healthy diet is crucial for maintaining good health. By incorporating a variety of vegetables, eating regular meals, and limiting fast food, we can promote our physical and mental health. It is important to make these dietary choices a part of our daily lives for a better quality of life.

建议：

使用具体例子：

在描述饮食建议时，可以加入具体的食物例子，如蔬菜、水果、全谷物等，使文章更加生动和具体。

个人经验：

如果可能，可以加入一些个人经验或感受，使文章更具说服力和可信度。

简洁明了：

尽量使用简单明了的语言，避免冗长和复杂的句子结构，使文章更易于理解。