Straight up usually means the same as "neat", but its usage can cause confusion, as American mixologist Jeffrey Morgenthaler has explained, because there's also the term up , which usually means chilled and served in a cocktail glass.
In Mr. Cole's final Slow Food Fast recipe, tender, tiny bay scallops, diced honeydew, cucumber slices and bits of cipolline onion are served in a pool of chilled melon juice spiked with serrano chili.