Creamy Chicken Spaghetti Casserole is a cozy, family-friendly pasta bake made with tender chicken, a rich homemade cheese sauce, and mild tomatoes—perfect for an easy weeknight dinner.Creamy Spaghetti Casserole with Chicken Breasts This creamy chicken spaghetti casserole keeps things simple while still delivering big comfort food flavor.You cook the chicken and onions, then make the cheese sauce right in the same skillet—less mess, fewer dishes, and everything builds flavor as you go.

The homemade cheese sauce makes it extra rich and satisfying without relying on canned soup, sour cream, or mayo, and mild diced tomatoes keep it kid-friendly without any heat.Everything comes together easily in one dish, making it ideal for busy weeknights when you don’t want a complicated dinner.It’s the kind of meal everyone actually eats (mine cleaned their bowls…).

If you’re in the mood for something similar with beef instead, check out my Baked Spaghetti Casserole with Ground Beef for another easy, family-friendly option.Ingredients and Cooking Tips Chicken (breasts or thighs).Both work well here—breasts are leaner, thighs are a little juicier.

Just cut into bite-size pieces so they cook quickly and stay tender.Spaghetti.Spaghetti is the base of this casserole and what makes it feel like true comfort food.

Cook it just until al dente so it doesn’t get mushy while baking.The noodles on top get slightly crispy in the oven, which adds t

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