This Chicken Spaghetti Casserole is a nostalgic, comforting dish made with tender chicken, spaghetti, tomatoes, mushrooms, and a flavorful sauce enriched with ketchup, Worcestershire sauce, and mushroom soup. Baked until bubbling and creamy, this hearty family-style casserole is perfect for potlucks, Sunday dinners, and meal prepping. It’s versatile and customizable, ideal for feeding a crowd while making use of pantry staples. A timeless recipe that balances savory, tangy, and creamy flavors in every bite.
Prep Time 35 minutes mins
Cook Time 1 hour hr 30 minutes mins
Total Time 2 hours hrs 5 minutes mins
Course Main Course
Cuisine sourthern
Servings 10
Calories 410 kcal
Get Recipe Ingredients
Step 2: Cook the Spaghetti
Step 4: Combine and Layer
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Substitute boneless skinless chicken for whole fryer to shorten prep time.
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The card notes you can omit green pepper if you don’t like it.
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Use the chicken cooking liquid to boil the spaghetti for extra flavor.
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Condensed cream of mushroom soup is used as a topping, add more for a creamier casserole.
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Add shredded cheddar or parmesan on top before baking for a cheesier finish.
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You may replace canned tomatoes with fresh chopped tomatoes when in season.
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Recipe says this “takes all day”, cook chicken ahead to split the work over two days.
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For milder flavor, reduce pepper and ketchup; for tangier sauce, increase ketchup slightly.
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Great make-ahead meal: assemble, refrigerate, then bake before serving.
Calories: 410kcalCarbohydrates: 42gProtein: 28gFat: 15gSaturated Fat: 4gPolyunsaturated Fat: 3gMonounsaturated Fat: 6gCholesterol: 75mgSodium: 720mgPotassium: 640mgFiber: 3gSugar: 7gVitamin A: 0.09IUVitamin C: 16.2mgCalcium: 78mgIron: 2.7mg
Keyword casserole, chicken spaghetti, comfort food, family dinner, oven-baked pasta, potluck favorite, retro recipes, vintage