Question: Which ingredient is the hamburger patty marinated in?
About the article "Bulgogi", section "In modern culture".

Candidate passages:
"Bulgogi" is served in barbecue restaurants in Korea, and there are "bulgogi" flavoured fast-food hamburgers sold at many South Korean fast-food restaurants.
The hamburger patty is marinated in "bulgogi" sauce and served with lettuce, tomato, onion, and sometimes cheese.
It is similar to a teriyaki burger in flavour.
The October 2011 issue of Jamie magazine featured a stall selling bulgogi steak baguettes outside Arsenal FC's Emirates Stadium.
The same stall was featured in Nicholas Lander's food column in the Financial Times in October 2012.
Texas Rangers outfielder Shin-Soo Choo endorsed bulgogi in an advertisement in the March 12th, 2014 issue of The New York Times.
In Canada, the hot hamburger, which consists of a beef patty, buns, and gravy poured on top, somewhat resembles the bøfsandwich. 
The Krusty Krab Menu (Galley Grub) has changed many times throughout the series, but always lists the Krabby Patty, a hamburger-like sandwich containing the common condiments (lettuce, pickles, etc.
), usually priced at in between 1 and 3 dollars.
The sides they have are coral bits, seaweed salad, and french fries.
(Sides are all sold separately).
In some episodes there is a "Krabby Kiddy Meal", (sometimes called a Kiddie Meal) a small Krabby Patty coming in a box similar to the Happy Meal, sometimes coming with a toy.
SpongeBob states that, in the episode "Yours, Mine and Mine", since it is smaller than a usual Krabby Patty, it is much cuter and thus priced at $1.00 more than the Krabby Patty ($3.99).
However, in some episodes it is priced at $1.99.
The Krusty Krab sells soft drinks as well.
As with most establishments in Bikini Bottom, kelp products are often a staple of the menu.
Though the secret recipe of the Krabby Patty is never revealed, the Krabby Patty consists of a simple hamburger patty with lettuce, tomatoes, pickles and onions.
In "Spongebob's Big Adventures", a Nickelodeon online video game, the Krabby Pattys contain mustard, ketchup and mayo, however in the series there is a condiment table and sometimes mini condiment packets, so ketchup, mayo and mustard is optional.
SpongeBob states many times that the most important ingredient is "love".
In some episodes, the Galley Grub has no prices on it, for example, the episode "Squeaky Boots."
There are sometimes Krusty Shakes, and in one episode (Pizza Delivery) there is Pizza.
The prices change many times, and the highest the Krabby Patty has ever been priced is $101.00 in the movie.
The Patty was priced that high due to the arrival of King Neptune at the restaurant.
Mr. Krabs stated it was a fair price since it had cheese. 
Red Wilson Field, The Yarmouth–Dennis Red Sox's home ballpark, is the official home of the Sinker Burger, the Hurler Burger, and the Boston Screamer.
Introduced during the 2004 season, the Sinker is a hamburger served on a lightly toasted cake doughnut, with three varieties: inside, down-the-middle, and outside (cinnamon, powder, and plain).
The Hurler, also introduced in 2004, is a hamburger patty served between the halves of a jelly doughnut, finished with a squirt of canned cheese.
The Boston Screamer, which made its official debut in 2010, is a hamburger served on a Boston cream doughnut.
On July 19, 2011, the Yarmouth–Dennis Red Sox served their 6000th "upgraded" hamburger. 
Bourbon chicken is a dish named after Bourbon Street in New Orleans, Louisiana and for the bourbon whiskey ingredient.
The dish is commonly found at Cajun-themed Chinese restaurants.
The recipe includes soy sauce, brown sugar, ginger, and bourbon whiskey in the base, and the chicken is marinated in this sauce.