Cheesy Beef and Pasta Casserole

An easy, healthier pasta dinner:  Cheesy Beef and Pasta Casserole

Cheesy Beef and Pasta Casserole Recipe from

My husband just about flipped when I served this for dinner the other night… and not in a good way!  He has been eating light, and he’s been trying his hardest to avoid eating an overload of carbs.  We’re pretty much carboholics around my house.

Cheesy Beef and Pasta Casserole Recipe -

I did my best to change his thinking.  I explained that it was a lightened up recipe in the first place, there’s a good bunch of ZUCCHINI in it, and I’d be serving a very large side salad to go with a smallish portion of pasta.  He eyed me suspiciously, but eventually he gave in to the carb craving.

Cheesy Beef and Pasta Casserole Recipe from

Eating pasta, you see, can be manageable for a diet.  Just wait until the NEXT day before you go back for seconds 🙂

Cheesy Beef and Pasta Casserole

This casserole is lightened up with a good bit of zucchini included.

Recipe Details

Prep Time: 30 mins
Cook Time: 20 mins
Total Time: 50 mins
Course: Main Course
Cuisine: American
Keyword: Beef, casserole, cheesy, Pasta
Servings: 6 servings (1¼ cups each)
Calories: 466kcal


  • 1 teaspoon olive oil
  • 1 medium onion, chopped
  • 1 large zucchini, chopped
  • 2 medium garlic cloves, minced
  • ¼ teaspoon red pepper flakes
  • ¾ pound lean ground beef (7% fat or less)
  • 4 cups cooked whole wheat penne (about 2¼ cups dry)
  • 2 cups low fat marinara sauce (2g fat or less)
  • 1 cup shredded part skim mozzarella cheese, divided
  • 2 tablespoons chopped fresh basil


  • Preheat the oven to 375 degrees F. Spray a 2 quart casserole dish with nonstick spray.
  • In a large skillet, heat the oil over medium heat. Add the onion, zucchini, garlic and red pepper flakes, cook, stirring, until the vegetables are softened, about 5 minutes. Remove the vegetables to a bowl and set aside.  
  • Add the beef to the pan and cook, breaking it apart with a spatula, until browned, 8 to 10 minutes. Drain off any accumulated oil and discard.
  • Add the cooked vegetables, penne and sauce to the pan and mix to combine. Spoon the pasta mixture into the prepared casserole dish. Sprinkle with cheese.
  • Bake until the cheese is melted and the filling is hot and bubbly, 20 to 25 minutes. Sprinkle fresh basil on top and serve.


Serving: 1serving, Calories: 466kcal, Carbohydrates: 64g, Protein: 29g, Fat: 9g, Saturated Fat: 4g, Polyunsaturated Fat: 0.5g, Monounsaturated Fat: 3g, Trans Fat: 0.2g, Cholesterol: 47mg, Sodium: 547mg, Potassium: 642mg, Fiber: 9g, Sugar: 7g, Vitamin A: 836IU, Vitamin C: 18mg, Calcium: 186mg, Iron: 3mg

Here are a few more pasta casserole recipes you might enjoy: