
While the prices of fast food items can vary depending on the location and specific restaurant, here are ten examples of fast foods that have gained a reputation for being relatively most expensive.
1.FleurBurger 5000 –

Priced at $5,000, this burger from Fleur by Hubert Keller in Las Vegas includes a Wagyu beef patty, truffles, and foie gras.
2. The Douche Burger –

Created by 666 Burger in New York City, this $666 burger features Kobe beef, lobster, caviar, truffles, and a gold leaf wrap.
3. The Glamburger –

Served at Honky Tonk in London, this $1,770 burger includes Kobe Wagyu beef, black truffle brie, lobster, and edible gold leaf.
4. The Zillion Dollar Lobster Frittata –

Offered at Norma’s in New York City, this $1,000 omelette is made with six eggs, a whole lobster, caviar, and comes with a side of potatoes.
5. The Golden Opulence Sundae –

Available at Serendipity 3 in New York City, this $1,000 sundae features Tahitian vanilla ice cream, edible gold leaf, caviar, and rare chocolates.
6. World Record Pizza –

Created by Industry Kitchen in New York City, this pizza costs $2,700 and includes white Stilton cheese, foie gras, truffles, and 24-karat gold flakes.
7. The Zillion Dollar Grilled Cheese –

Available at Serendipity 3 in New York City, this $214 grilled cheese sandwich is made with artisanal bread, gold flakes, truffles, and a blend of rare cheeses.
8. The Belt Buster –

Offered at M&M Meat Shops in Canada, this $100 sandwich includes a variety of deli meats, cheeses, and condiments.
9. The Grand Opulence Burger –

Created by Burger Brasserie in Las Vegas, this $777 burger consists of Kobe beef, Maine lobster, caramelized onions, and black truffles.
10. The Golden Cristal Ube Donut –

Offered at Manila Social Club in New York City, this $100 donut is covered in Cristal champagne icing and 24-karat gold leaf.
Please note that the prices and availability of these items may have changed since my knowledge cutoff in September 2021, and these prices are approximate.