Created by Puppitypup on October 16, 2014
Step 1: Pre-cook tubes and spinach (and chicken). Preheat oven to 350 degrees and grease a 9x13 pan. Spread spaghetti sauce over bottom of pan.
Step 2: Saute leeks, garlic and shallots in olive oil, remove from heat and add drained, cooked spinach. Let cool, then stir in remaining filling ingredients.
Step 3: Make bechamel sauce by melting butter in heavy saucepan over medium heat, whisk in flour and cook til golden. Whisk in milk, a little at a time, continue whisking until mixture thickens. Add nutmeg, salt and pepper to taste.
Step 4: To assemble, split tubes and spoon in filling, place seam side down on sauce. Top with Bechamel and sprinkle on mozzarella and remaining parmesan.
Step 5: Bake, covered with foil, for 1 hour, then remove foil and bake 30 minutes longer. Broil 2-3 minutes until lightly browned.