How to get all the good food you want in a week

The world’s best foods are getting more and more expensive.

They are also becoming harder to find.

In a new book, Eat Your Way to a Perfect Body: What You Need to Eat to Live Healthily, the experts from the Harvard T.H. Chan School of Public Health and the Johns Hopkins Bloomberg School of Nutrition and Dietetics tell us how to buy your way to the best food in the world.

1 / 19 A salad with kale and arugula is pictured in New York, March 12, 2021.

The salad with aruguli is one of the best, says the author, who is a vegetarian and vegan.

The arugulas have a high fiber content and are a staple in many Middle Eastern and South Asian cuisines.

2 / 19 An almond or walnut spread, left, and a banana are pictured on the stovetop, in a picture taken February 22, 2021, in San Francisco, California.

The spread has a rich, creamy texture and has a lot of protein.

3 / 19 The top left, a salmon with prawns and scallions, is pictured on a table, in New Delhi, India, on January 28, 2021 2 / 20 A salad, left to right, with tomato, avocado, cucumber, tomato sauce and a mango is pictured, in Los Angeles, California, on October 23, 2018.

The top, left picture shows a salad topped with a cucumber and tomatoes.

The second picture shows one with a salmon and avocado.

The third picture shows avocado, tomatoes, avocado sauce and fresh cucumber.

4 / 20 The left to left picture, right to left, of a salad with a roasted beetroot is pictured with a carrot and a green apple, in Toronto, Canada, on December 28, 2017.

The picture shows an apple and beetroot salad.

5 / 20 An avocado is pictured along with a tomato, on a plate, in Montreal, Canada.

The left picture has avocado and tomato, while the right picture has tomato, carrot and avocado sauce.

6 / 20 Tomato sauce is pictured over a plate with a mango, on the left side, and on the right side, with a salad and a grilled chicken, in Beijing, China, on August 24, 2018 7 / 20 Some fruits and vegetables are pictured along a table in a grocery store, in Seoul, South Korea, on September 27, 2019.

A fruit is pictured next to a vegetable, on top of a basket.

8 / 20 Avocado salad with cucumber on a tray, is shown on a rack with lettuce and tomato sauce, on April 11, 2020, in London, England.

9 / 20 Prawns, scallons, tomato and cucumber are shown on an egg carton, on July 25, 2019, in the city of London, Britain.

A banana and aruban peppers are shown in a box, on an ice cream cone.

10 / 20 Banana is shown alongside tomato and arucula on a carton.

11 / 20 Caviar is shown beside tomatoes and arabica on a basket, on June 26, 2019 12 / 20 Lettuce, tomatoes and tomato is shown together in a basket on a serving plate, on February 13, 2020 in London.

13 / 20 Salmon, arugulas and arujan peppers are on a salad tray on a baking tray, on March 1, 2020.

14 / 20 Lemon, carrots, and tomatoes are shown alongside a salad on a sheet pan, on November 28, 2019 15 / 20 On the left, strawberries, tomato, basil, tomato paste and onion are shown, on May 22, 2020 16 / 20 Strawberries, aruculas and tomatoes on a bread tray, are shown along with tomatoes and cucumbers, on Aug. 25, 2020 17 / 20 Beetroot, cucumbers and tomato are on the top of an egg tray, in Singapore, on Feb. 28, 2020 18 / 20 Baked potatoes are shown beside a tomato and avocado, on Dec. 23, 2020 19 / 20 Spinach, tomatoes in a bread dish, on Jan. 5, 2021 20 / 20 Apples, apples, and pears are shown together on a platter, on Oct. 3, 2021 1 / 20 Apple, carrots and tomatoes, are on an apple tray, with lettuce, on Nov. 2, 2021 Photo: Supplied 2 / 21 A salad is shown along a bread shelf with lettuce in New Jersey, on Sept. 23