In recipe preparation, the approval of individual meal size is mainly based on the amount of energy. The steps of recipe preparation are as follows. Find out the daily supply of calories and nutrients for the subject. Based on the gender, age and labor intensity of the diner, check the table to find out the daily supply of energy for a 4-year-old girl is 5.9MJ (1400kcal) and protein is 50g.

1. Calculate the daily supply of sugar, fat and protein. Protein is 50g and the calorie ratio is 14%. The ratio of fat to calories is 30%. Sugar is 56%. Fat: 1400 x 30% ÷ 9 = 47(g). Sugars: 1400 x 56% ÷ 4 = 196 (g).

2. Calculate the amount of staple foods and side dishes. Check the table to calculate the amount of protein, fat and sugar in the above commonly used foods, the amount of sugar contained in cereals and potatoes, and then divided by the sugar content of cereals (75%) to get the amount of cereal, take the whole number. The same method to calculate the amount of lean meat, oil and fat.

3, coarse with recipes. Calculated in the main and secondary consumption as the basis, according to the physiological characteristics of 4-year-old girls to determine the number of meals and meals caloric score (according to the three meals and two points of arrangement, caloric distribution for breakfast 20%, 10% of the early morning, 35% of the lunch, 10% of the lunch, 25% of the dinner) rough matching recipes.

4, evaluation and adjustment of the formulation of recipes to calculate the amount of energy and nutrients provided, and the Chinese residents of the dietary nutrient reference intake to compare and make appropriate adjustments. Energy intake of 90% of the standard is normal, protein intake of 80% of the standard is normal, and other nutrients should reach more than 80% of the standard.