Green Goddess Mac and Cheese

Name: Green Goddess Mac and Cheese
Ingredients: 8 ounces baby spinach; 1 bunch parsley , tough stems removed , about 1 cup packed of leaves; 1/2 pound (2 cups) dry elbow macaroni pasta; Salt for pasta water; 1 tablespoon cream; 3 tablespoons butter; 1 clove garlic , minced; 3 tablespoons all-purpose flour; 2 1/2 cups milk; 1/2 teaspoon dry mustard; 1 teaspoon freshly ground black pepper; 1 teaspoon herbs de Provence (or dry tarragon or Italian herb mix); 1 teaspoon Worcestershire sauce and/or 2 finely chopped anchovies; 1 1/2 cups shredded sharp white cheddar cheese; 1/2 cup shredded Parmesan cheese; Kosher salt and freshly ground black pepper to taste; 1 teaspoon lemon juice