
We taste test to find out!
This month, Japanese burger chain Lotteria released their newest menu item, the Zeppin (“Masterpiece”) Meat Sauce Burger, which is 490 yen (US$3.30). But when we think of burgers with a saucy meat topping, the first burger chain that comes to mind is Mos Burger. After all, their meat sauce burger is one of their most popular offerings, and has been on their menu for years.
In fact, Mos Burger has been serving meat sauce burgers since the day the chain was founded in 1972, though naturally they’ve modified the recipe and changed the flavors numerous times over those 52 years. The meat sauce burger is Mos’ specialty, their signature burger, so of course, it would serve as the perfect benchmark for Lotteria’s new variety.
According to Lotteria’s website, their new Zeppin Meat Sauce Burger is a completely new recipe, topped with “a specially developed meat sauce with thick cuts of beef and onions stewed with tomatoes to give it a crumbly texture.” With Mos Burger’s classic meat sauce burger having such a long and established history, we had no idea how a contest between the two of them would turn out, but it was our solemn duty to find out.
In order to judge them fairly, we ordered them both through food delivery service Uber so that we could eat them as fresh as possible, and they arrived at our door with only about five minutes’ difference between them.
To launch our taste comparison, we started with the old classic Mos Burger Meat Sauce Burger.
It was topped with an overflowing amount of meat sauce.
Though the burger itself was seasoned lightly, the umami of the onions and the beef provides a depth to this sandwich, and the fruity aroma of tomato only adds to that.
On the first bite, our tongue knew this was a good meat sauce, and immediately transmitted that information to our brain. The quality was so good that we would almost believe that Mos Burger was a meat sauce specialty restaurant rather than a burger chain. The quality and flavor is so reliable we wouldn’t doubt it.
Now, let’s compare the Lotteria Zeppin Meat Sauce Burger.
From a visual perspective, it appeared that this burger had less meat sauce than the Mos Burger burger. It also looked to have a lower ratio of sauce to meat, giving it a more textured appearance.
Flavor-wise, it was quite a lot different from Mos Burger’s. It had more of a junk food feel to it, and the combination of lettuce and spices made it almost taste like taco rice, Okinawa’s famous fusion dish. Still, it was pretty delicious on its own. We could totally see how this could catch on with Lotteria fans.
In truth, though both sandwiches were born from the basic concept of “meat sauce burger,” they’ve ended up going in very different directions. We had to say that, despite the fact that Mos Burger’s meat sauce burger wasn’t built for war, it’s still hard to beat its simple deliciousness. Lotteria made a risky decision competing against such a giant–which in the end could be why they chose to go such a completely different route.
Without a doubt, the Lotteria Zeppin Meat Sauce burger is in a class of its own. While it may compete in the meat sauce arena simply by virtue of what it is, it’s also completely capable of fighting in an arena of its own creation. It’s delicious in its own right, so definitely give it a taste if it’s something that suits your fancy!
Images © SoraNews24
● Want to hear about SoraNews24’s latest articles as soon as they’re published? Follow us on Facebook and Twitter!
[ Read in Japanese ]





Lotteria unveils its first rice burgers, but how do they compare to Mos Burger and McDonald’s?
Lotteria craziness continues with the new okonomiyaki burger
Tokyo’s new burger chain isn’t new, is disappointing, tasty, and hopeful all at once【Taste test】
Crazy new Mos burger is covered in sauce, has a lineage that spans the globe
Mos Burger’s new Ebi Ebi Fry Burger is on a whole other level
What’s inside Starbucks Japan’s fukubukuro lucky bag for 2026?
Our 52-year-old pole dancing reporter shares his tips for achieving your New Year’s exercise goal
Ramen restaurant’s English menu prices are nearly double its Japanese ones, denies discriminating
Say hello to Japan’s new stationmaster cat!【Video】
We ate sushi made from Japan’s most expensive tuna ever【Taste test】
This quiet forest cafe in Japan lets you read all day in the house of a famous author
If the 2011 tsunami hit Tokyo’s Shibuya Scramble Crossing, this is how high it would’ve been
Can our writers’ taste buds pick out the luxury kamaboko fish cake from these two?
Our Reporter’s Top 10 Awesome Things About North Korea
Tokyo Station staff share their top 10 favorite ekiben
10 times to avoid traveling in Japan in 2026
Japanese beef bowl chain Sukiya’s 2026 Smile Box lucky bag basically pays for itself
Top Japanese cosplayer Enako returns to Comiket after 6 years, creates mayhem with admirers
Umamusume anime girl plushie recalled for having parts she absolutely should not have【Pics】
Starbucks Japan releases new Frappuccino and latte for Valentine’s Day
Princess Mononoke magnets return just in time to treat yourself to awesome anime decorations
Starbucks Japan ready to get Year of the Horse started with adorable drinkware and plushies【Pics】
7-Eleven Japan starts new temporary luggage storage service in over 300 branches
Disillusionment at Tsukiji’s tourist-target prices led us to a great ramen restaurant in Tokyo
Starbucks teams up with 166-year-old Kyoto doll maker for Year of the Horse decorations【Photos】
Tokyo’s Tsukiji sushi neighborhood asks tour groups to stay away for the rest of the month
Japan may add Japanese language proficiency, lifestyle classes to permanent foreign resident requirements
Lacquerware supplier to emperor of Japan and Pokémon team up for new tableware
Starbucks Japan releases new zodiac chilled cup drink for 2026
Survey asks foreign tourists what bothered them in Japan, more than half gave same answer
Japan’s human washing machines will go on sale to general public, demos to be held in Tokyo
We deeply regret going into this tunnel on our walk in the mountains of Japan
Studio Ghibli releases Kodama forest spirits from Princess Mononoke to light up your home
Major Japanese hotel chain says reservations via overseas booking sites may not be valid
Put sesame oil in your coffee? Japanese maker says it’s the best way to start your day【Taste test】
No more using real katana for tourism activities, Japan’s National Police Agency says
Starbucks Japan reveals new sakura drinkware collection, inspired by evening cherry blossoms
Updated cherry blossom forecast shows extra-long sakura season for Japan this year
Human washing machine pods coming to Japanese hotels【Photos】
Japan’s MOS Burger replaces hamburger buns with lettuce for limited “Natsumi” range
What are Lotteria Japan’s tsukimi moon-viewing burgers like this year?
Mos Burger’s sauce-soaked Wet Burger sure is wet, but is it worth your burger bucks? 【Taste test】
Mos Burger brings back its hugely popular “White Mos Burger”, but is it any good?
New wafu torori hanjuku tsukimi burgers from Lotteria are an edible Japanese vocabulary lesson
Lotteria’s Tsukimi Rib Sandwich joins the fight for Japanese tsukimi supremacy【Taste test】
Mos Burger’s new “Focaccia Sand” surprises us with its long sausage
Japan’s Great Gratin Croquette Burger War begins: McDonald’s vs. Lotteria【Taste test】
Lotteria’s new Twin Burger is not to be confused with a double burger
We try the new 1,500-yen Kobe beef burger from Lotteria 【Taste Test】
Mos Burger vs Burger King: Which chip butty is better?
What it’s like to eat a wild game burger from Lotteria Japan
Mos Burger’s new luxury burger contains 0.18 percent alcohol
Mos Burger’s new Mac and Cheese burger: Does it taste as good as it looks?
Japan’s Mos burger releases inaugural tower burger to celebrate new Tokyo Tower outlet opening
Leave a Reply