There are many different ways to say "tost a few crumbs" depending on the context and the tone you want to convey. For example, you could say "crisp up some breadcrumbs," "toast a handful of crumbs," or "lightly brown some bread crumbs." Other options might include "grill some crumbs," "fry some breadcrumbs," or "roast a few crumbs." Each of these phrases has a slightly different connotation and can be used in different situations depending on your intentions. Some words might be more poetic or descriptive, while others may be more straightforward and to the point. Ultimately, the choice of words will depend on the writer's preference and the specific context in which they are using them.