Steps:

1. Peel the walnuts and wash them. Or just buy walnut kernels, no need to peel them, just wash them.

2. Take a bowl of water, pour an appropriate amount of salt into it, and let the salt fully dissolve in the water.

3. Put the clean walnut kernels into the baking pan and sprinkle salt water evenly.

4. Preheat the oven in advance to 180 degrees and bake for about 20 minutes.

The nutritional value of walnut kernels:

1. Walnut kernels contain more protein and unsaturated fatty acids necessary for human nutrition. These components are important substances for brain tissue cell metabolism. It can nourish brain cells and enhance brain function.

2. Walnut kernels can prevent arteriosclerosis and lower cholesterol.

3. Walnut kernels contain a large amount of vitamin E. Regular consumption has the effect of moisturizing the skin and blackening the hair. It can make the skin moist, smooth and elastic.

4. When you feel tired, chew some walnut kernels, which can relieve fatigue and stress.