World Health Day 2021: Quick and easy must-try recipes with less than 5 ingredients Pexels World Health Day is celebrated every year on April 7. A healthy diet is something that is very important to induce overall health. Some people believe that the key to being healthy and fit is to eat less but that is a huge misconception. The key is to eat right. Here are a few quick and easy healthy recipes that you can make with less than 5 ingredients: Grilled Butter Chicken Makes:12 servings 1/2 teaspoon salt Directions: Place the buttermilk,thyme, garlic and salt in a large bowl or shallow dish. Add chicken and turn to coat. Refrigerate 8 hours or overnight, turning occasionally.