The Big Apple will be dipped in chocolate this week when the annual Chocolate Show arrives at the Metropolitan Pavilion. The event boasts 40,000 square feet of chocolate delicacies. Dozens of pastry chefs, candy companies, and designers offer a whirlwind of endorphin-boosting tastings, and cocoa connoisseurs will converge from all over the world to taste the sweet fruits of their labor.

An opening-night extravaganza features an elaborate chocolate fashion show with scrumptious designs by Nicole Miller, Patricia Field, Sylvia Heisel, and Ann Taylor. Each of the fashion designers is paired with a pastry chef to create unique blends of haute couture and desserts. The clothes will be displayed on mannequins for the duration of the show. Examples of last year’s sweet styles are seen above.

As for the show itself, Willy Wonka could not have dreamed up a more decadent vision. Visitors can taste organic fruit truffles, “chocolate survival bars,” chocolate sushi, and chocolate cocktails. Hot chocolate cascades from a 12-foot drinking canister. New York artist Nir Adar has designed the Chocolate Lounge and Mary’s Chocolate presents a 6-foot by 6-foot chocolate pagoda. Pastry chefs from Citarella, Eleven Madison Park, Brasserie 8 1/2, and other restaurants give demon strations in two on-site “culinary theaters.”

The show began in Paris, where the Salon du Chocolat celebrated its 10th anniversary at the end of last month. The event will travel to Tokyo in January.

Fashion show: Wednesday, 7-9 p.m., $120. Chocolate show: Thursday-Sunday, 10 a.m.-7 p.m., Metropolitan Pavilion and Altman Building, 125 W. 18th St., between Sixth and Seventh avenues, 866-246-2692, $20 general, $15 seniors and students, $10 children between ages 6 and 14, free for younger children.