Boston lettuce is rich in vitamins K, B, C and A and is an excellent source of sodium, calcium, potassium and magnesium. Boston lettuce also contains significant levels of lactucarium, which affects human physiology somewhat like opium due to its tranquilizing effects, It's occassionally recommended as a natural treatment for heart palpitations, spasms of the intestines and insomnia.
Bibb lettuce is very low in calories and contains no fat. It is generally considered a “diet neutral” food for people watching their weight since it doesn’t really have anything harmful or fattening in it. In fact, it actually contains trace elements of some important minerals, like folate, vitamin A, and dietary fiber.
Both varieties are frequently sold in health food markets with roots attached to preserve freshness. They are prized by gourmet chefs.
Boston Lettuce and Radish with Buttermilk Dressing
Serves 8
For the salad
2 heads Boston lettuce
4 radishes, thinly sliced
3 tsp cup snipped fresh chives
Freshly ground black pepper
For the Dressing
1/3 cup buttermilk
2 tablespoons mayonnaise
2 tablespoons red wine vinegar
1/3 cup extra virgin olive oil
Salt and freshly ground pepper to taste
Wash lettuce and pat dry. Slice radishes thin. Gently tear lettuce in pieces and place in salad bowl with the radishes and chives.
For the dressing, whisk buttermilk, mayonnaise and red wine vinegar until smooth. Gradually whisk in olive oil. Season with salt and pepper. Drizzle dressing over the salad and toss gently. Sprinkle freshly ground pepper over and serve cold.