Editor’s note: The theme of Gohan Lab is to help people make simple, tasty “gohan” (meals).

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Sweets are in the spotlight for our four-part series starting this week, so why not make some cool ones while you stay indoors to avoid the intense heat?

Chef Kuniaki Arima will show you how to make semifreddo, a type of ice cream popular in Italy characterized by a light fluffy texture created with whipped fresh cream or egg white.

Though the Italians use espresso to make it, we decided to use readily available instant coffee.

If your mixture of coffee and fresh cream has a high water content, it will separate into two layers when frozen, but using instant coffee that contains no water can prevent that.

Adding a dash of salt as a finishing touch will also give its flavor a nice edge.

The arranged version is a refreshing dish using yogurt and egg whites. While peach was used in the recipe, other fruits will also work. The dish will be a perfect palate cleanser between courses during a meal.

A LITTLE BIT ABOUT FRESH CREAM

Fresh cream is milk fat that has been removed through centrifugation and concentrated. It is marketed after the fat globules in the cream are turned into a uniform size and the cream is sterilized.

According to a spokesperson for Meiji Co., a major food manufacturer, about 1,000 milliliters of raw milk is required to make 100 ml of cream with a fat content of around 40 percent. It keeps in the fridge for one to three weeks. As it may be affected by shaking and freezing, the cream should not be placed in the door shelves or near the air outlet of the fridge, the spokesperson said.

National standards in Japan require the milk fat content of cream to be 18 percent or above, but many products intended to be whipped are around 40 percent in fat content.

BASIC COOKING METHOD

(Supervised by Kuniaki Arima in the cooking aspect and Midori Kasai in the cookery science aspect)

* Ingredients and cooking utensils (Serve six to eight)

200 ml fresh cream, 80 grams sugar, 2 egg yolks, 1 tsp instant coffee, whisk

About 220 kcal and 0 gram salt per portion

1. Place egg yolks in bowl. Scoop in a large spoonful of sugar from the measured amount and mix with yolk. Mix in instant coffee. Bring water to a boil in small pot and turn off heat. Place bowl with egg yolk and mix further in water bath (PHOTO A).

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PHOTO A: A water bath hastens the melting process. Since egg yolks will clot when the temperature is too high, the water bath should be given with the heat turned off. (Photo by Masahiro Goda)

2. Pour cold fresh cream in another bowl and whip (PHOTO B). When foam starts to form, add sugar in three to four parts. Add a tiny amount at the beginning and gradually increase amount. While whisking, keep bowl cold by placing it in larger bowl with ice water, for instance.

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PHOTO B: It is easier if you hold the whisk near the base of the handle. The reason sugar is added in small amounts is to prevent air bubbles from collapsing under its weight. (Photo by Masahiro Goda)

3. Scoop about a ladleful of whipped cream and blend with egg yolk mixture (PHOTO C) until smooth. Return this to bowl with cream and mix slowly by scooping up mixture from bottom.

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PHOTO C: Start by mixing in a small amount of whipped cream to an egg yolk mixture. The whipped cream will flatten if the mixture is added straight to the cream. (Photo by Masahiro Goda)

4. Pour into necessary number of containers and place in freezer for half a day. Sprinkle with cocoa powder and bit of salt to taste.

Why not make semifreddo, a cool sweet popular in Italy, using whipped fresh cream and instant coffee? (Video by Masahiro Goda)

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Kuniaki Arima is the owner-chef of Passo a Passo, an Italian restaurant in Tokyo’s Fukagawa district.

Midori Kasai is a professor at Ochanomizu University and former chairwoman of the Japan Society of Cookery Science.

ARRANGED VERSION

Yogurt semifreddo

Use 2 egg whites. Whisk by snapping the wrist and add 80 grams of sugar in small amounts to make a meringue mixture. Add mixture to 350 grams unsweetened yogurt in stages. Cut 1 peach into appropriate size and mix. Pour mixture into terrine mold or other containers. Cool in freezer for half a day. Serve with jam if available. (Photo shows ume Japanese apricot jam and cherry pickled in balsamic vinegar.)

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Yogurt semifreddo (Photo by Masahiro Goda)

COOKERY SCIENCE

Fresh cream is a concentrated form of milk’s fat globules. The fat stabilizes the whipped foam. When cream is beaten, the protein on the surface of the fat globules peels off and the globules enclose the air bubbles resulting in the cream being whipped. Since the liquid in between can no longer move as well, the whipped cream retains its shape even after being piped from a pastry bag.

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The Asahi Shimbun

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From The Asahi Shimbun’s Gohan Lab column