Salad Bowl With Walnut and Dijon Mustard Dressing

1 Head   Ice berg lettuce torn into bite-size pieces
4/5 sticks Asparagus (blanched)
1 cup      Green Onions, finelt sliced
1/2 cup   Cherry Tomatoes
1 each     Red and yellow peppers
1/2 cup   Fresh  Spinach leaves torn into bite-size pieces
1/4 cup   Walnuts coarsely chopped and roasted
1 tbsp      Lemon juice
1/4 cup    mayonnaise/ single cream
1 tbsp      Olive Oil
2 tsp        Grainy mustard
Salt and pepper to taste

Method
Preapare all the vegetables in a large salad bowl and keep them chilled. In a small bowl, mix the mayonnaise, lemon juice, olive oil , mustard, salt and pepper. Just before serving pour the dressing on top and gently toss the salad. When all the vegetables are well coated with the dressing sprinkle the walnuts on top and serve immediately...