Write a professional, engaging, and SEO-friendly video description in English for a cooking video that shows how to make a quick and healthy tuna vegetable salad. The recipe includes tuna, boiled potatoes, carrots, green beans, peas, sweet corn, and mustard, mixed together step by step. The tone should be simple, friendly, and informative. Highlight that the recipe is easy to make, nutritious, and perfect for lunch, dinner, or meal prep. Encourage viewers to like, share, and subscribe. Add relevant food and cooking keywords naturally.