The mixture will become thick and glossy.

WSJ: Sean Brock's Butter-Braised Asparagus With Shrimp and Lemon Hollandaise | Slow Food Fast

There's a very thick pall of smoke which smells kind of like a mixture of menthol and charcoal because there are quite a few eucalyptus trees in the forest.

NPR: In Portugal Another Season of Forest Fires