Are anchovies set to make a big comeback as a pizza topping? That’s the fishy claim put forth in the latest Slice of the Union report from Slice, the consumer ordering app and technology platform for independent pizzerias nationwide.

Ahead of National Pizza Day, Slice released a February 8 report that gathers analytics from the platform’s 20,000 mom-and-pop pizza shops in all 50 states, putting the data together in a way that’s genuinely fun to read—and not just for pizza wonks.

In last year’s Slice of the Union report, Slice boldly picked pickles as the pizza topping packed with the most potential—and they were right. Requests for pickle-topped pizzas rose by 32% in 2023, Slice noted this year, adding, “Our prediction aged like fine brine.”

Related: How a French-trained chef became a great pizza maker

For the coming year, the platform predicts tinned fish will be “America’s next hot topping.”

“Sometimes smokey and always salty, tinned fish, especially anchovies, is winning the hearts and tastebuds of pizza lovers. We forecast major swells of tinned fish on pizzas in 2024,” the report states.

In addition to that prognostication, Slice of the Union takes a light-hearted look at last year’s nationwide pizza trends. “We continuously provide up-to-the moment data on customer ordering habits to the pizzerias we work with, but it’s always fun to compile analytics that every consumer can bite into,” Slice CEO and founder Ilir Sela said. “For instance, and this is fun, pizza orders increased 10.4% during Kansas City Chiefs games after Taylor Swift and Travis Kelce got together.”

Yes, Taylor Swift is now officially a pizza influencer—sort of. But we covered that in a separate story.

The report also found that, among Slice’s network of pizzerias, vegan pizza orders were down 5.2% in 2023. But orders for pizzas topped with pineapples went up 5.7%. The latter was a surprising turnaround considering that Slice’s network recorded 6.1% fewer pineapple pizza orders in 2022. It seems that this controversial pizza topping hit its peak in 2021, when Slice noted a 76% jump in pineapple pie orders.

Other findings in the report:

  • On average, the cost of pizza nationwide went down by 4.9% in 2023.
  • The cost of a large cheese pizza went down in 19 states, while shops in other states raised prices, some by a whopping 43.3.% percent (what’s going on up there in North Dakota, anyway?).
  • Washington was the most expensive state for pizza, with the average price coming in at $25.75.
  • Hawaiians are the best tippers. On average, their tips on pizza delivery were 14.71% of the total order.
  • Fridays were the biggest days for pizza orders, with an average of 5.2 million orders placed, while 4.1 million orders came in on Saturdays. Mondays were the slowest nights, with 1.9 million orders.
  • Pepperoni remains the No. 1 pizza topping, followed by mushrooms, sausage, extra cheese, onions, bacon and black olives. The least favorite topping? Kale. Apparently, most customers think kale can go to…Hades.
  • A New Jersey resident ordered from the same pizza shop 348 times last year. Give that customer some extra loyalty points!
  • In 2023, Americans ate just over 29,000 tons of pizza. To put that in perspective, the report notes, adult African male elephants, the world’s largest land animal, weigh between two and seven tons.
  • On Valentine’s Day 2023, 4,744 romantics ordered pizzas with garlic, onions or anchovies. “Here’s a free kissing tip,” the report stated. “Worry less about your own garlic breath and make sure your paramour also has garlic breath. It cancels out.”
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