Grilled cheese has a way of taking people back to simpler times—crispy bread, gooey cheese, and buttery comfort packed between two slices. But even a classic can benefit from a fresh twist. Recently, several viral hacks have been circulating, each claiming to revolutionize the way grilled sandwiches are made. Some enhance flavor, others aim to improve texture, and a few just offer a playful spin on tradition.
Here’s a breakdown of five popular grilled cheese tricks, from least effective to the one that unexpectedly stole the spotlight.
5. The French Toast Method Falls Flat
There’s no denying how inventive this idea sounds—dipping a grilled sandwich in a tomato soup and egg mixture, then cooking it like French toast. The concept, which gained traction on TikTok, attempts to merge two comfort foods into one hybrid dish. However, the results are less than impressive.
The bread turns soggy before it ever gets that golden crisp, and the tomato flavor that should shine through ends up being too muted. The cooking process is messy, requiring careful handling to avoid tearing the bread apart. In the end, it lacks the satisfying crunch and clean cheese melt that define a good grilled sandwich.
4. Garlic Aioli Brings a Mild Kick

Instagram | @jantz_cafe | Garlic aioli brings extra flavor to every bite.
Garlic aioli has become a staple in many kitchens, and for good reason. It's like mayonnaise, but with a richer flavor thanks to olive oil and garlic. Using this condiment inside a grilled cheese adds a subtle punch without overpowering the core flavors.
Spreading a thin layer of garlic aioli on the inside of each bread slice before grilling gives the sandwich a delicate aromatic lift. The sandwich remains easy to prep, requiring no special technique, and the result is flavorful with just enough garlic essence to keep things interesting. It’s a simple variation that doesn’t try too hard but still adds something worthwhile.
3. Adding Mustard Changes Everything
Sometimes, one ingredient can shift the whole taste profile. That’s exactly what happens when mustard is introduced to grilled cheese. Whether it’s Dijon, yellow, or spicy brown, a modest swipe on the inside of the bread brings a sharp tang that cuts through the richness of the cheese.
The balance of creamy and zesty flavors makes this hack one of the most approachable. There’s no mess, no added time, and no complicated steps—just a different flavor that enhances without distracting. It’s a smart update that keeps things exciting and dynamic.
2. Cheese on the Outside? Yes, Please
The inside-out grilled cheese method caters directly to cheese lovers. Instead of keeping all the cheese between the slices, some is added to the outside during grilling. As it cooks in the butter, the exterior cheese crisps into a lacy, golden crust that adds texture and richness.
The steps involve grilling one side, sprinkling shredded cheese on the top, flipping it, and repeating. It takes slightly longer than a standard sandwich, but the final bite is packed with crunch and flavor. This method is perfect for when the grilled cheese needs to feel a little more special.
1. The Garlic Salt Surprise

Instagram | @osmosalt | Garlic salt makes grilled cheese taste amazing.
One of the most unexpectedly delightful tweaks is the simplest—sprinkling garlic salt on the outside of the buttered bread before toasting. The seasoning infuses the crust with a savory kick, creating a crispy, flavorful bite that mimics the experience of eating garlic bread.
This version delivers a rich, buttery crunch that feels like a perfect mix between garlic toast and grilled cheese. The trick takes no extra time and no cleanup, making it both convenient and satisfying. What makes this one stand out is how effortlessly it transforms a classic into something that feels new again.
Small Tweaks, Big Flavor
Experimenting with grilled cheese doesn’t require fancy ingredients or major kitchen overhauls. These popular hacks prove that even a small change—whether it’s a swipe of mustard, a dusting of garlic salt, or cheese on the crust—can breathe new life into a time-tested favorite.
While not every idea hits the mark, the ones that do offer an easy way to elevate your sandwich without straying too far from what makes it so comforting in the first place. For anyone looking to add variety without complication, these tricks are worth keeping in the back pocket.