Your sushi needs a bento box with actual walls

If you’re tired of sushi arriving as a rice salad, the fix is a compartmented bento box—not a regular lunch container.

Delicate food shifts because there’s empty space. A normal lunchbox has one big open area, so everything slides toward whatever side gets bumped first. Bento boxes fix that with rigid dividers that physically hold stuff in place. Look for one with deep, firm partitions and a lid that actually presses down on the food. That’s the whole secret: no room to move.

You don’t need to buy a “sushi-specific” box, though they exist and they work fine. Any bento with snug compartments is enough. Pack the sushi pieces in a single row so they touch each other—together they brace themselves. Put soy sauce or dipping sauce in a separate small leakproof container, not loose in the box.

If you’re stuck with a regular lunch container, fake the dividers with silicone muffin cups or a wad of parchment paper to fill empty space. Crumpled paper sounds janky, but it stops things from sliding around surprisingly well.

Fill every gap and your lunch stays put.