If you can't find mirin a good substitute would be 2 tablespoon sugar + 2 tablespoon sake or white wine.
Course: Appetizer, dinner, first course, lunch
Cuisine: Japanese, pacific northwest, southeast asian, Thai
Keyword: beet gazpacho, beet soup cold, beet soup recipe, beetroot soup, chilled beet soup recipe, chilled beetroot soup recipe, cold beet borscht soup recipe, cold beetroot soup, vegan, vegetarian