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4.54 from 15 votes

Dump and Bake Italian Meatball and Rice Casserole

A zero prep and incredibly comforting Italian Meatball and Rice Casserole made with a few simple ingredients. This meal is super easy and effortless!
Course Main Course
Cuisine Italian
Keyword Italian Casseorle, Meatball Casserole, Rice Casserole
Prep Time 5 minutes
Cook Time 1 hour 15 minutes
Total Time 1 hour 20 minutes
Servings 8 servings
Calories 392kcal
Author The Seasoned Mom


  • 3 cups 27 ounces marinara sauce
  • 1 can 14.5 ounces Basil, Garlic & Oregano diced tomatoes (undrained)
  • ¾ cup water
  • 1 cup uncooked long grain white rice
  • 1 26 ounce package Rosina Fully-Cooked Italian-Style frozen meatballs (you do not need to thaw the meatballs)
  • ½ cup 2 ounces shredded mozzarella cheese
  • ¼ cup 1 ounce grated Parmesan cheese
  • 2 tablespoons chopped fresh parsley


  • Preheat oven to 375F (190C).
  • Stir marinara sauce, tomatoes, water, and rice together in a 13-inch by 9-inch baking dish. Add meatballs and stir to combine.
  • Cover the baking dish tightly with a lid or foil.
  • Bake for 60-75 minutes or until the rice is tender. During the final 5 minutes of cooking, remove dish from oven, uncover, and sprinkle with mozzarella and Parmesan. Place back in the oven (uncovered) for the final 5 minutes, or until cheese is melted.
  • Garnish with parsley just before serving.


When using Rosina frozen meatballs you do not need to thaw them first before cooking
Feel free to add extra herbs and spices to change it up such as red pepper flakes or fresh basil
I like to use mozzarella and parmesan but any good melting cheese you have will do
When using mozzarella make sure to use pre-shredded so there isn't a lot of excess moisture
Leftovers can be eaten cold or reheated but make sure the casserole is piping hot throughout
Since the meatballs were already frozen I don't recommend you re-freeze this dish


Calories: 392kcal | Carbohydrates: 25g | Protein: 21g | Fat: 22g | Saturated Fat: 8g | Cholesterol: 74mg | Sodium: 632mg | Potassium: 702mg | Fiber: 2g | Sugar: 5g | Vitamin A: 625IU | Vitamin C: 13.2mg | Calcium: 119mg | Iron: 2.6mg