While warm, take it out of the pot, and let the butter drain from it.
Measure it while warm, and allow to each quart a pound of the finest powdered and sifted loaf sugar well mixed in, and the juice of the lemons.
While warm, stir in two or three table-spoonfuls of loaf sugar.
While warm, mix into it a large lump of the best fresh butter, and a salt-spoonful of salt.
While warm, mix in a small bit of nice butter--season with pepper.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "while warm" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.