Sonic Tropical Heat Smasher Review: Should Burgers Be Sweet?Sonic thinks they should.
The fast food chain’s newest limited-time burger, the Tropical Heat Sonic Smasher, takes a classic smashburger formula and adds something that has been causing food arguments for decades: pineapple.
Pineapple on pizza remains one of the internet’s favorite food debates. But pineapple on a smashburger?
That felt like new territory.
So I headed to Sonic to find out if their Tropical Heat Sonic Smasher was actually worth ordering in 2026—or if this sweet-and-spicy smashburger experiment should have stayed on the drawing board.
What’s on the Tropical Heat Sonic Smasher?According to Sonic:
“Two juicy, hand-smashed patties made with Angus beef, stacked with melty pepper jack cheese and crispy bacon, topped with a Jalapeño Pineapple Glaze—bringing the perfect sweet-heat kick to every bite. Balanced with crisp lettuce and creamy mayo—all on a soft potato bun.”
On paper that sounds like a Guy Fieri trip to Flavortown.
Smashburger. Bacon.
Pepper jack cheese.
Sweet and spicy glaze.
Potato bun.
What’s not to like?
Unfortunately, the answer starts with the beef.
Sonic Tropical Heat Smasher Review by the NumbersThis score surprised me.
Going in, I assumed the Jalapeño Pineapple Glaze would be the problem.
It wasn’t.
In fact, the sauce was one of the highlights of the burger.
The sweet-and-spicy combination worked surprisingly well, especially alongside the pepper jack cheese and bacon. The burger itself was juicy in that greasy-fast-food sort of way that can be satisfying when you’re in the mood for it. I like to call it JGG: Juicy, Greasy, Good. Something that screams late night bite or “Im gonna eat my feelings” or “Im skipping the gym today”
But then I started pulling the burger apart. And tasting individual elements.
And that’s when the problems became obvious.
The beef on it’s owned tasted strange.
Not bad enough to spit out. But close.
Not bad enough to demand a refund. But enough to push to the side.
In other words: gross
Almost mystery-meat adjacent.
The bacon, cheese, and even pineapple glaze do a tremendous amount of heavy lifting here. Without them, the burger simply doesn’t stand on its own.
The lettuce wasn’t particularly fresh either, although oddly enough it didn’t hurt the overall experience.
Oh and that mayo was CHEAP and not in a good way.
The toppings were better than the beef.
That’s never a good sign for a burger.

The Tropical Heat Sonic Smasher cost me $8.32 with tax.
That’s not cheap.
And while the burger includes bacon and pepper jack cheese, neither of those additions are enough to justify the price.
Especially when there are better burgers available for similar money.
Or less.
For roughly the same amount of money, I’d rather go to In-N-Out.
Spend a little more and I’d much rather have Shake Shack.
Either option delivers a better burger experience.

At 870 calories, the Tropical Heat Sonic Smasher is a serious burger.
A double smashburger with bacon, cheese, mayo, and a sweet glaze should be calorie-dense, so the number isn’t shocking.
The good news?
It actually feels substantial.
The bad news?
The burger isn’t good enough to justify the calorie investment.
I didn’t even finish it.
If I’m spending nearly 900 calories on a burger, I want something memorable.
This wasn’t.

I genuinely expected the pineapple glaze to ruin this burger.
Instead, it turned out to be one of the best parts.
The real problem was the beef.
The toppings successfully masked it most of the time, but every bite eventually reminded me that something felt off about the burger itself.
And that’s a difficult problem to overcome when the burger costs more than eight dollars and carries nearly 900 calories.
The Tropical Heat Sonic Smasher scored 15.5 out of 30 in my Worth It? review series.
That’s firmly in “mid” territory.
Not terrible.
Not offensive.
But definitely not worth it.
Surprisingly pineapple(sauce) works.
The beef doesn’t.
And that makes it easy to drive right past Sonic and keep looking for a better burger.
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