To save partially melted butter, place it in a bowl with a few ice cubes and stir. In less than a minute, the butter will quickly cool and solidify to the soft texture you are looking for.

Can melted butter go back to solid?

When you melt butter with heat, the emulsion "breaks" and the components separate. If you have leftover melted butter from a cooking or baking project you can put it back in the fridge and it will harden, but it will also remain broken.

How do you make melted butter hard again?

Bring melted butter back to solid form! Revive over-softened butter by giving it an ice bath. Place the butter in a small bowl, and place the small bowl in a larger one filled with a few handfuls of ice and some cold water.