Rotini Casserole

Prep: 15 min Cook: 30 min Serves: 6 Cuisine: American

A hearty and cheesy rotini casserole featuring seasoned ground beef, vegetables, and pepperoni, all baked under melted mozzarella for a comforting family-friendly meal. Perfect for weeknights when craving bold flavors and satisfying textures that please both adults and kids alike.

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Ingredients

  • 1 lb. ground beef
  • 1/2 c. chopped onion
  • 1/2 c. chopped green pepper
  • large jar spaghetti sauce
  • 1/2 box rotini noodles
  • 1 pkg. sliced pepperoni
  • 8 oz. shredded Mozzarella cheese
  • small jar sliced mushrooms

Instructions

  1. Brown ground beef, chopped onion, and chopped green pepper; drain.
  2. Prepare rotini noodles according to package directions; drain.
  3. Mix cooked beef mixture, prepared noodles, spaghetti sauce, sliced mushrooms, and sliced pepperoni together.
  4. Spread the mixture in a 9 x 13-inch pan and cover with shredded mozzarella cheese.
  5. Bake in a 350°F oven until the cheese is melted and bubbly, about 20-30 minutes.

Tips & Substitutions

For a richer flavor, consider using Italian sausage instead of ground beef. You can also add vegetables like zucchini or spinach for extra nutrition. If you're short on time, pre-cooked rotini noodles can be a great substitute. Additionally, feel free to switch out the mozzarella cheese for a blend of your favorites or even try adding some Parmesan for an extra kick.

Serving Suggestions

This rotini casserole pairs beautifully with a fresh side salad or garlic bread for a complete meal. You can also serve it alongside steamed vegetables for a healthier option. For a fun twist, consider garnishing with fresh basil or crushed red pepper flakes to enhance the flavors even more.

Storage & Reheating

To store leftovers, let the casserole cool to room temperature before transferring it to an airtight container. It can be refrigerated for up to 3-4 days. When reheating, cover the dish with foil to prevent the cheese from burning, and warm it in a preheated oven at 350°F until heated through, about 20 minutes.

Nutrition & Diet Analysis (per serving)

Each serving of Rotini Casserole contains roughly 352 calories, with 23g protein, 18g carbohydrates, and 21g fat. It is an excellent source of protein (45% of the Daily Value), calcium (42% of the Daily Value), and vitamin C (34% of the Daily Value). Note that it is relatively high in sodium, at 674mg per serving (29% of the Daily Value).

352 kcal 18% DV
Protein Fat Carbs

Macronutrients

Protein 22.7g 45% DV
Total Fat 21.1g 27% DV
Carbs 18.2g 7% DV
Fiber 1.6g 6% DV
Sugar 4g 8% DV

Electrolytes

Sodium 674mg 29% DV
Potassium 317.6mg 7% DV
Cholesterol 58.1mg 19% DV

Vitamins & Minerals

Vitamin A 182.8mcg 20% DV
Vitamin C 31mg 34% DV
Vitamin D 0.5mcg 3% DV
Calcium 544.3mg 42% DV
Iron 1.1mg 6% DV
Diet fit High-protein Low-carb Under 400 cal
Contains Milk Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this casserole ahead of time?

Absolutely! You can prepare the casserole up to the baking step, cover it tightly, and refrigerate it for up to 24 hours before baking. Just add a few extra minutes to the baking time if it's coming straight from the fridge.

What can I substitute for the pepperoni?

If you're looking for a healthier option, turkey pepperoni or diced cooked chicken can work well. Alternatively, you can omit the pepperoni entirely or replace it with vegetables like bell peppers or olives for a vegetarian version.

Can I freeze the rotini casserole?

Yes, this casserole freezes well! Allow it to cool completely, then wrap tightly in plastic wrap and aluminum foil, or use a freezer-safe dish. It can be frozen for up to 2-3 months. To reheat, thaw in the refrigerator overnight and bake as directed.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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