Caesar Pasta Salad

Name: Caesar Pasta Salad
Ingredients: 1 pound penne pasta cooked al dente and rinsed; 6 leaves romaine lettuce thinly sliced; 1 1/2 cups cherry tomatoes; 4 green onions thinly sliced; 1/3 cup Parmesan cheese finely shredded; 1 1/2 cups croutons; For the Caesar dressing:; 1/2 teaspoon ground black pepper; 1 tablespoon Parmesan cheese finely shredded; 1 cup mayo; 1/3 cup sour cream; 2 tablespoons fresh lemon juice; 2 anchovies finely minced and smashed into paste; 1 clove garlic minced; 1 teaspoon Worcestershire sauce