Chicken and Tortellini Salad

2 (9 oz. each) packages refrigerated cheese tortellini
1/2 cup olive oil
1/2 cup grated Parmesan cheese
1/4 cup fresh lemon juice
2 garlic cloves
1 tsp. Worcestershire sauce
2 cups chopped cooked chicken
1 cup frozen sweet peas, thawed
1/2 cup chopped fresh flat-leaf parsley
Salt and pepper to taste

Prepare tortellini according to package directions.  Process olive oil and next 4 ingredients in a blender until smooth.  Toss dressing with tortellini, chicken and remaining ingredients.  Add salt and pepper to taste.