The contents of the lecture include cooking skills, recipe sharing, nutrition collocation, etc.

1. Cooking skills: Mom can share some cooking skills, such as how to choose ingredients, how to handle ingredients, how to cook and so on.

2. Recipe sharing: Mom can share some recipes created by herself, or some traditional and classic recipes.

Nutrition collocation: Mom can share some knowledge about nutrition collocation, such as how to reasonably mix ingredients and how to ensure the nutritional balance of food.

3. Kitchen tips: Mom can share some kitchen tips, such as how to cook quickly and how to save time.

4. Food culture: Mom can share some knowledge about food culture, such as food culture and food traditions in different regions and countries.