Cheesy Onion Pasta Bake
Cheesy Onion Pasta Bake
Ingredients
For the Pasta
- 8 ounces penne pasta, cooked al dente
For the Cheesy Sauce
- 3 tablespoons unsalted butter
- 1 yellow onion, thinly sliced
- 3 cloves garlic, minced
- 8 ounces cremini mushrooms, sliced
- 3 tablespoons all-purpose flour
- 2 1/2 cups milk
- 4 ounces cream cheese, softened, cut into cubes
- 1/2 cup chicken broth
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper, freshly ground
For the Topping
- 1/2 cup Parmesan cheese, grated
- 1/4 cup panko breadcrumbs
- 1 tablespoon olive oil
Instructions
- 1
Preheat your oven to 375°F. Lightly grease a 9x13 inch baking dish or use a large oven-safe skillet/Dutch oven.
⏱️ 5 min•🌡️ 375
- 2
Cook the penne pasta according to package directions until al dente. Drain well and set aside.
⏱️ 10 min
- 3
In the prepared oven-safe skillet or a large pot, melt the unsalted butter over medium heat. Add the thinly sliced yellow onion and cook, stirring occasionally, until softened and translucent, about 8-10 minutes.
⏱️ 10 min
- 4
Add the minced garlic and sliced cremini mushrooms to the skillet. Cook for another 5-7 minutes, stirring occasionally, until the mushrooms are tender and have released their liquid.
⏱️ 7 min
- 5
Sprinkle the all-purpose flour over the onion and mushroom mixture. Cook, stirring constantly, for 1 minute to create a roux, ensuring the flour is fully incorporated.
⏱️ 1 min
- 6
Gradually whisk in the milk and chicken broth, stirring continuously until the sauce is smooth and begins to thicken.
⏱️ 3 min
- 7
Reduce the heat to low. Add the softened cream cheese cubes, stirring until completely melted and incorporated into the sauce. Season with salt and freshly ground black pepper.
⏱️ 3 min
- 8
Add the cooked penne pasta to the cheesy sauce in the skillet, tossing gently to combine thoroughly, ensuring all pasta is coated.
⏱️ 2 min
- 9
If not using an oven-safe skillet, transfer the pasta mixture to the greased 9x13 inch baking dish.
⏱️ 1 min
- 10
In a small bowl, combine the grated Parmesan cheese, panko breadcrumbs, and olive oil. Mix well.
⏱️ 1 min
- 11
Sprinkle the breadcrumb mixture evenly over the top of the pasta bake.
⏱️ 1 min
- 12
Bake for 20-25 minutes, or until the sauce is bubbly and the topping is golden brown and crispy.
⏱️ 25 min•🌡️ 375
- 13
Remove from oven and let stand for 5 minutes before serving to allow the sauce to set slightly.
⏱️ 5 min
Kitchen Tools
Nutrition Facts (per serving)
Cheesy Onion Pasta Bake
Ingredients
For the Pasta
- 8 ounces penne pasta, cooked al dente
For the Cheesy Sauce
- 3 tablespoons unsalted butter
- 1 yellow onion, thinly sliced
- 3 cloves garlic, minced
- 8 ounces cremini mushrooms, sliced
- 3 tablespoons all-purpose flour
- 2 1/2 cups milk
- 4 ounces cream cheese, softened, cut into cubes
- 1/2 cup chicken broth
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper, freshly ground
For the Topping
- 1/2 cup Parmesan cheese, grated
- 1/4 cup panko breadcrumbs
- 1 tablespoon olive oil
Instructions
- 1
Preheat your oven to 375°F. Lightly grease a 9x13 inch baking dish or use a large oven-safe skillet/Dutch oven.
⏱️ 5 min•🌡️ 375 - 2
Cook the penne pasta according to package directions until al dente. Drain well and set aside.
⏱️ 10 min - 3
In the prepared oven-safe skillet or a large pot, melt the unsalted butter over medium heat. Add the thinly sliced yellow onion and cook, stirring occasionally, until softened and translucent, about 8-10 minutes.
⏱️ 10 min - 4
Add the minced garlic and sliced cremini mushrooms to the skillet. Cook for another 5-7 minutes, stirring occasionally, until the mushrooms are tender and have released their liquid.
⏱️ 7 min - 5
Sprinkle the all-purpose flour over the onion and mushroom mixture. Cook, stirring constantly, for 1 minute to create a roux, ensuring the flour is fully incorporated.
⏱️ 1 min - 6
Gradually whisk in the milk and chicken broth, stirring continuously until the sauce is smooth and begins to thicken.
⏱️ 3 min - 7
Reduce the heat to low. Add the softened cream cheese cubes, stirring until completely melted and incorporated into the sauce. Season with salt and freshly ground black pepper.
⏱️ 3 min - 8
Add the cooked penne pasta to the cheesy sauce in the skillet, tossing gently to combine thoroughly, ensuring all pasta is coated.
⏱️ 2 min - 9
If not using an oven-safe skillet, transfer the pasta mixture to the greased 9x13 inch baking dish.
⏱️ 1 min - 10
In a small bowl, combine the grated Parmesan cheese, panko breadcrumbs, and olive oil. Mix well.
⏱️ 1 min - 11
Sprinkle the breadcrumb mixture evenly over the top of the pasta bake.
⏱️ 1 min - 12
Bake for 20-25 minutes, or until the sauce is bubbly and the topping is golden brown and crispy.
⏱️ 25 min•🌡️ 375 - 13
Remove from oven and let stand for 5 minutes before serving to allow the sauce to set slightly.
⏱️ 5 min