Butternut squash Mac and cheese

Mezzi Rigatoni Pasta (Semolina, Durum Wheat Flour, Water, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid), Butternut Squash, Bechamel Sauce (Milk [Milk, Skim Milk, Vitamin A Palmitate, Vitamin D3], Unbleached Enriched Flour [Wheat Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid], Butter [Cream, Salt], White Pepper), Gouda Cheese (Pasteurized Milk, Cheese Cultures, Salt, Microbial Enzyme, Beta-carotene [Color], Cellulose Powder), Cheddar Cheese (Pasteurized Milk, Cheese Culture, Salt, Microbial Enzyme, Annatto [Color], Cellulose Powder), Parmesan Cheese (Pasteurized Part Skim Milk, Cheese Culture, Salt, Microbial Enzyme, Cellulose Powder), Salt, Onion Powder, Garlic Powder, Mustard (Distilled Vinegar, Water, Mustard Seed, Sea Salt, Spices, Turmeric), Nutmeg, Sage, Black Pepper, Thyme, Cayenne Pepper