When lasagna is first served, it's a bit softer, and it almost melts into the pile of sauce. But when lasagna is stuck in the fridge and pulled out the next day when you pack your lunch for work, it's a bit more solid.
Another dish that firms up in the fridge overnight is chili. For some, this step is essential to the recipe. “We make chili the day before we plan to eat it. That overnight in the fridge is critical,” one person shared on social media.