Creamy White Spaghetti Pizza Bake with Chicken and Bacon

A hearty casserole that combines the best of pasta and pizza in one satisfying dish. Tender spaghetti forms a golden crust base, topped with creamy Alfredo sauce, seasoned chicken, crispy bacon, and melted mozzarella. Perfect for busy weeknight dinners or feeding a crowd, this comfort food hybrid delivers rich, cheesy flavors that please both pasta and pizza lovers. The unique spaghetti crust sets this apart from traditional casseroles, creating interesting texture contrast between the firm base and creamy toppings.
Ingredients
- 1 lb spaghetti, uncooked
- ⅝ cup milk
- 2 eggs
- 2 cloves garlic, finely chopped
- 1 cup mozzarella cheese, shredded
- ½ cup Parmesan cheese, grated
- 1 jar Alfredo pasta sauce, 15 oz
- 2 cups chicken, diced cooked
- 6 slices bacon, cooked and chopped
- 2 cups mozzarella cheese, 8 oz
- 1 tablespoon fresh parsley, chopped
- salt
- cooking spray
Instructions
- 1
Heat oven and spray baking pan with cooking spray
- 2
Cook spaghetti according to package directions, drain and rinse, return to pot
- 3
Beat milk, eggs and salt in small bowl, stir in garlic
- 4
Mix egg mixture, mozzarella and Parmesan cheese into spaghetti until blended, pour into pan and cover with foil
- 5
Bake covered, then reduce temperature and remove foil
- 6
Spread Alfredo sauce over spaghetti base, top with chicken, bacon and remaining cheese
- 7
Bake until cheese melts, sprinkle with parsley
Tips
Rinse the cooked spaghetti to prevent it from becoming too sticky when mixed with the egg mixture.
Use nonstick foil to prevent the cheese from sticking during the first baking phase.
Let the casserole rest 5-10 minutes after baking to help it set before serving.
Good to Know
Refrigerate covered up to 3 days. Reheat individual portions in microwave or oven until heated through.
Can assemble up to 1 day ahead. Cover and refrigerate, then bake as directed, adding 5-10 minutes to cooking time.
Serve hot directly from the baking dish. Cut into squares for easy portioning.
Common Mistakes
Don't skip rinsing the spaghetti to avoid a gummy texture in the final dish.
Remove foil at the right time to prevent the cheese topping from browning too much.
Substitutions
Gluten-Free Swaps
General Alternatives
FAQ
Can I freeze this casserole?
Yes, freeze assembled but unbaked for up to 3 months. Thaw overnight in refrigerator before baking, adding 10-15 minutes to cooking time.
What if I don't have Alfredo sauce?
Make a simple white sauce with butter, flour, milk and Parmesan, or substitute with ricotta mixed with garlic and herbs.
How long will leftovers keep?
Refrigerate covered for up to 3 days. Reheat individual portions in the microwave or cover and warm in a 350°F oven.