Bacon Alfredo Casserole
This easy Bacon Alfredo Casserole is the ultimate comfort food dinner. Tender spaghetti is coated in a rich, homemade Alfredo sauce and baked with smoky bacon, sweet peas, and plenty of Parmesan cheese until bubbly and golden. It's a crowd pleasing, make ahead meal perfect for busy weeknights or feeding a crowd.
Ingredients
- 1 pound spaghetti
- 1/2 cup 1 stick butter
- 1/3 cup all purpose flour
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 quart 4 cups half and half
- 8 slices bacon cooked until crisp and crumbled
- 1 12 oz bag frozen sweet peas, thawed
- 1 1/2 cups grated Parmesan cheese divided
- 1 large egg slightly beaten
- 2 tablespoons chopped fresh parsley
Instructions
- Preheat oven to 350°F. Grease a 9x13 inch baking dish.
- Cook spaghetti according to package directions. Drain (do not rinse) and set aside.
- In the same large pot, melt butter over medium heat. Whisk in flour, salt, and pepper. Cook for 1 minute, whisking constantly.
- Gradually whisk in the half and half. Bring to a boil, whisking constantly. Boil for 1 minute, then remove from heat.
- To the pot with the sauce, add the cooked spaghetti, crumbled bacon, thawed peas, and 1 cup of Parmesan cheese. Stir until well combined.
- Place the beaten egg in a small bowl. Stir a few spoonfuls of the hot pasta mixture into the egg to temper it. Then, pour the egg mixture back into the large pot and stir to combine.
- Pour the mixture into the prepared baking dish. Sprinkle the remaining 1/2 cup of Parmesan cheese evenly over the top.
- Bake uncovered for 20-25 minutes, until bubbly and lightly golden on top. Sprinkle with fresh parsley before serving.