Trim the shimeji mushrooms and separate them into small clusters.
Rinse the leaf lettuce in cold water, drain well, and tear into bite-sized pieces.
Cut the bacon into thick strips (5mm thick, 2.5cm wide).
In a dry frying pan, cook the bacon until browned. Add a little oil and sauté the mushrooms until golden. Season with salt and pepper.
Arrange the lettuce on a plate, top with the sautéed mushrooms and bacon, and garnish with quartered cherry tomatoes. Drizzle with Kewpie Grated Onion Dressing.