This refreshing chilled side dish is packed with vitamins and flavor. The marinade, made with finely chopped onion, sesame oil, and vinegar, pairs beautifully with the acidity of the tomatoes and the saltiness of the prosciutto. The crisp texture of raw onion adds just the right bite, making this dish irresistibly tasty.
It's versatile too—try serving it over chilled tofu or somen noodles for a delicious summer twist. Perfect for using up extra tomatoes!

5 minutes

Chiori
PROFILE
INGREDIENTS
SERVES 3
Original recipe (1X) yields 3 servings
When scaling the recipe, the ratios of some ingredients may require slight adjustments. Adjust as necessary and season to taste.
- 4 medium tomatoes, sliced into 1/2-inch rounds
- 1/2 onion (about 3.5 oz.), finely chopped
- 10 slices prosciutto (or similar cured ham), cut in half
- 1/4 small green bell pepper, finely chopped
- A45ml vinegar (grain vinegar or rice vinegar)
- A15ml sugar
- A5ml chicken bouillon powder
- A15ml sesame oil
DIRECTIONS
- 1
In a bowl, mix A ingredients (vinegar, sugar, bouillon, and sesame oil) and add the chopped onion. Stir well to make the marinade.

- 2
In a container, place sliced tomatoes and prosciutto in alternating layers.

- 3
Pour the marinade over the top and sprinkle with chopped bell pepper.

- 4
Chill in the refrigerator for about 1 hour before serving.

RecipeID
430
Tips & Notes
・Grain vinegar was used in this recipe, but rice vinegar also works well.
・The flavor is slightly sweet—reduce the amount of sugar if you prefer less sweetness.
・Add more prosciutto if you like a richer flavor.
・The bell pepper can be omitted if you prefer.
・Can be kept in the refrigerator for up to 2 days.
MY RATING
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Carrie H.
…
Delightful side dish, light and tasty. I especially liked the sauce. Simple but impressive presentation.

I live in Sapporo, Hokkaido, and I’m a mother of two daughters who both love to eat. As a working mom, my realistic, everyday recipes have resonated with many, and as of May 2024, I’m grateful to have over 380,000 followers on Instagram. Thank you so much for your support! From a homemaker’s perspective, my motto is to create recipes that make families happy and help busy women. I share dishes that can be made even more delicious with just a small twist using seasonings you already have at home. Along with recipes, I also post daily tips on cooking techniques to enhance flavor and handy food storage methods that make life in the kitchen easier.