DIRECTIONS: Place lettuce in bottom of a serving bowl, about 8" in diameter. Layer mushrooms on top. Then layer peas and carrots. Arrange egg white slices and bacon over vegetables. Top with half cup cheddar cheese; set aside. In a mixing bowl, combine mayonnaise and lemon juice in a mixing bowl. Spread mixture over top of salad sealing to edge of bowl. Sprinkle with remaining cheese. Cover and chill for 24 hours. Before serving, toss to coat the vegetables.