1. First, peel the potatoes, then wash them, cut them into small cubes and soak them in water. Then wash the corn kernels, wash the string beans and put them in the water to boil, then fish them out.

2. Peel the tomatoes, cut into dice and set aside.

3. Mix all the ingredients together and finally sprinkle the tuna meat. Meanwhile pour in the fruit flavored yogurt. Stir well and it's ready to eat.

Grilled Tuna in Vinegar

1. First, peel off the outer skin of the garlic, then wash and chop it, slice the ginger directly and wash and chop the green onion.

2. Then thaw the tuna, wash it with water and drain the surface.

3. At this time, you can heat the pot. When the oil is hot, you can put the tuna.

4. When the tuna turns golden brown, take it out.

5. Keep the oil in the wok, add star anise, peppercorns, green onion, ginger and garlic and pop them, then add cooking wine, vinegar, soy sauce and sugar. When the sauce is ready, pour the tuna into the pot.

6. Pour in the right amount of water, bring to a boil and simmer over low heat, adding a little salt at the end. When it tastes good, you can serve it.

The efficacy and role of tuna

1.Strong muscles and bones:Tuna is rich in nutrients, for male friends, it can regulate our blood sugar and enhance sexual function.

2. Supplementing the body's lack of calcium: tuna is rich in calcium, so eating it can protect our teeth, but also promote the healthy growth of bones. For growing children, it can make them taller.

3. Promote brain development:Tuna is rich in tyrosine, which can help the brain to concentrate and make thinking more active. And tuna eyes are rich in docosahexaenoic acid, which can promote brain development and delay memory loss.