A schmear is a bit of cultural appropriation, and probably shouldn’t be used. But it’s also a yummy topping for bagels. Schmears are simple and perfect for improvisation, so you can use this same process for different ingredients. They can be very seasonal: basil-sun dried tomato-seranno pepper is a favorite summer schmear. They can be savory: oregano-sundried tomato. They can be sweet: toasted walnut-honey. You get the idea.
My most frequent schmear, especially in winter when I need a reminder that summer will be back someday, is pesto schmear.