Ingredients for - Timballo Spaghetti Casserole

1. Olive oil 1 tablespoon
2. Spaghetti 1 (16 ounce) package
3. Marinara sauce 2 (24 ounce) jars
4. Cooked chicken breast meat, diced 3 cups
5. Onion, diced 1 large
6. Package of sliced pepperoni, diced 1 (7 ounce)
7. Green pepper, diced 1
8. Mushroom pieces, drained 1 (5 ounce) can
9. Sliced black olives, drained 1 (3 ounce) can
10. Shredded mozzarella cheese 3 cups
11. Grated Parmesan cheese, or to taste 1 tablespoon

How to cook deliciously - Timballo Spaghetti Casserole

1 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Spread olive oil on the bottom of a cast iron skillet or large baking dish.

2 . Stage

Bring a large pot of lightly salted water to a boil. Cook spaghetti in boiling water, stirring occasionally, until cooked through but firm to the bite, about 12 minutes; drain.

3 . Stage

Stir spaghetti, marinara sauce, diced chicken, onion, pepperoni, green pepper, mushroom pieces, and black olives together in a large bowl; transfer into the prepared cast iron skillet. Top with a layer of mozzarella cheese and sprinkle with Parmesan cheese.

4 . Stage

Bake in the preheated oven until casserole is bubbling, chicken is cooked through, and cheese topping is lightly browned, about 30 minutes.