The phrase "a deep richness" is correct and usable in written English.
It can be used to describe something that has a profound or intense quality, often in relation to flavor, color, or experience.
Example: "The painting was filled with a deep richness that captivated everyone who viewed it."
Alternatives: "a profound depth" or "an intense richness".
The old man's gold glowed warm, shot through with a deep richness that was almost red.
You should get a sauce as thick as a stew, with a deep richness offset by the zing of vinegar and the zap of those anchovies.
On this tour we want to show that there's a deep richness to this music, and that even when this hype is gone, there will be more fans than we had two years ago, five years ago.
My flawless Americano, which I sacrilegiously doctored with some milk, was smooth yet bracing with a deep richness that swiftly shook me from my rainy day haze.
"This is a rich healing soup, truly the Jewish penicillin version," says Perry Lang, with stock that has "a deep richness that strives to be almost a ramen tonkotsu broth but not that rich". In addition to being on the "Jewish specialties" menu, the soup is available at the Hole in the Wall take-out window that's open during the day.
These cookies have a deeper richness when baked with peanut butter that's made with only peanuts (ideally roasted) and salt.
TRUFFLE TORTE AT DEMEL, VIENNA (Investment: 670 calories) The ganache melts on your tongue as the textured layers of cake yield up a multi- flavor extravaganza: a slight rum kick, the deep richness of the chocolate, a dusting of cocoa powder.
The resulting soup will have a more pronounced tomato flavor with deep richness and notes of roasted garlic.
Mustard-spiked lentils ($6) are similarly rewarding, as is an intensely cheesy cauliflower gratin ($8) with a deep winter richness.
Inside, there's a deep, chocolatey richness to the floorboards, plenty of intricately carved wood panels, and comfortable, casual soft-furnishings.
For the sweet, deep richness of the beef and chestnuts I would go for a red from the area's aglianico grape.
