Umami is the so-called “fifth taste,” and given scientists only proved its existence this century, umami can also be considered the most elusive.

To unlock that savory umami taste, you have to combine flavors — but which ones? Start with foods rich in glutamates.

Glutamates sometimes get a bad rap because of the notoriety of the food additive, monosodium glutamate — MSG.

But there are foods naturally rich in this protein-building amino acid, and they live up to the meaning of umami, a Japanese word roughly translated as “delicious.”

“As a cook, you want to balance foods. We’re always looking for a little umami,” said Christopher Prosperi, chef-owner of Metro Bis restaurant in Simsbury, Conn.

Umami, he adds, is why certain dishes — like the “Silver Palate Cookbook’s” iconic chicken Marbella with its lively mix of capers, olives and prunes — make “our mouths water.”

“We can’t get enough of it,” Prosperi said.

Indeed. That umami hunger is why one of the hot “new” ingredients surfacing in restaurant kitchens is koji, which is used traditionally in Japan to make soy sauce, sake, miso and other fermented food products.

Prepared koji, available at a growing number of Asian markets, is ready to be spooned into all sorts of recipes.

However, generally, getting that umami fix isn’t that easy — nor is it as easy, say, as sparking foods with a spritz of lemon.

“To work its magic, umami needs to be in the company of other ingredients,” writes Michael Pollan, the influential food writer, in his new book, “Cooked.” “A bit like salt, glutamate seems to italicize the taste of foods, but unlike salt, it doesn’t have an instantly recognizable taste of its own.”

Prosperi agrees that a combination of flavors is needed to unlock umami. But he doesn’t go reaching for a shaker of MSG. He instead goes to his larder for glutamate-laden vegetables like tomatoes and mushrooms, plus cheeses, fish, meat — even seaweed.

“We use dashi all the time for soups and pan sauces,” he said, referring to the Japanese stock made from kombu, a type of seaweed.

Dashi’s versatility is also endorsed by Elizabeth Andoh, a cookbook author and American-born authority on Japanese cuisine.

“It can be used in anything, any style of cooking,” she writes in an email from her home in Japan. “Dashi enhances any ‘ethnic’ flavors including standard American seasonings.”

Andoh, a self-described “kombu freak,” said she has nothing good to say about any artificially created flavor-enhancements — including MSG.

“On the other hand, I extol the virtues of naturally occurring glutamate, especially in kombu.”

Don’t overlook what’s in your larder for glutamate-rich flavor boosting.

Drape some anchovies on hard-cooked eggs or a salad. Shave some Parmesan cheese atop a fresh tomato sauce, itself an ingredient loaded with glutamate.

Toss bacon — a veritable umami bomb — wherever you can, from salads to sauces to side dishes.

Try these recipes, using foods naturally laden with glutamate, to capture that sought-after umami flavor.


Start to finish: 25 minutes

Serves two.

1 package (8 ounces) crimini mushrooms

2 tablespoons extra-virgin olive oil

1 teaspoon soy sauce

2 ripe tomatoes, cut into ½-inch dice

6 slices thick-cut bacon, cooked until crispy, chopped in 1-inch pieces

1 tablespoon balsamic vinegar

1 teaspoon maple syrup or honey

Salt and freshly ground pepper

½ cup shaved Parmesan cheese

Prepare a grill for medium heat. In a bowl, toss the mushrooms with 1 tablespoon oil and soy sauce.

Grill mushrooms, turning every minute or so, until lightly charred and cooked through. Remove from grill; return to bowl. Let cool to room temperature.

Add tomatoes, bacon, vinegar, maple syrup and remaining 1 tablespoon olive oil.

Toss well; adjust seasonings with salt and pepper if needed. Serve topped with the shaved Parmesan.

Nutrition information per serving: 186 calories; 14 g fat (4 g saturated); 19 mg cholesterol; 7 g carbohydrates; 9 g protein; 1 g fiber; 420 mg sodium.

Recipe from Christopher Prosperi of Metro Bis restaurant in Simsbury, Conn. Serve as an entree, a side dish or a topping for grilled steak or tuna, suggests the chef.


Start to finish: Eight hours (30 minutes active)

Serves four.

½ cup sake

¼ cup each: white miso, mirin

2 tablespoons each: rice wine vinegar, soy sauce

1 piece (1-inch long) ginger, peeled, finely minced

2 green onions, white and light green parts, finely sliced

4 cod fillets, skinned, 5 to 6 ounces each

¼ teaspoon kosher salt

Freshly ground pepper

2 tablespoons oil

Stir together the sake, miso, mirin, vinegar, soy sauce, ginger and green onions.

In a shallow glass dish large enough to hold the cold fillets in a single layer, pour the marinade. Set the cod fillets in the marinade, thick fleshy sides down. The marinade should cover the fish.

Cover the dish and refrigerate 6 to 8 hours. Turn the fish once during the marinating time.

Heat the oven to 400 degrees. Lift the fillets from the marinade; lightly season both sides with salt and pepper. In an oven-safe skillet over medium heat, heat the oil.

When hot, lay the cod in the pan; cook, about 1 minute. Transfer the skillet to the oven. Cook until cooked through, 6-8 minutes.

Nutrition information per serving: 174 calories; 8 g fat (1 g saturated); 54 mg cholesterol; 1 g carbohydrates, 23 g protein; 0 g fiber; 319 mg sodium.

Recipe from “The Dinnertime Survival Cookbook” (Running Press, $22), by Debra Ponzek with Mary Goodbody. White miso, sake and mirin may be found at some supermarkets and Asian markets.


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