Pea Shoot and Spinach Salad with Bacon and Shiitakes

Name: Pea Shoot and Spinach Salad with Bacon and Shiitakes
Ingredients: 1 (1/4-pound) piece double-smoked bacon*; 3 1/2 tablespoons olive oil; 3/4 pound fresh shiitake mushrooms, stems discarded and caps quartered; 1 teaspoon kosher salt; 1 1/2 tablespoons fresh lemon juice; 1/2 tablespoon red-wine vinegar; 1/2 tablespoon coarse-grain mustard; 1/2 teaspoon black pepper; 4 oounces fresh pea shootspea shoots (4 cups); 4 ounces baby spinach leaves (4 cups); 1 bunch fresh chives, cut into 1-inch lengths; 6 radishes, cut into matchsticks; *Available from specialty foods shops and by mail order from Citarella (212-874-0383).