Loaded Pizza Spaghetti Bake

Category: Dinner Ideas That Actually Work

Enjoy a family favorite where classic pizza flavors meet comforting baked pasta. Spaghetti noodles are tossed with seasoned ground beef, pepperoni, bacon, and a rich blend of pizza and pasta sauces. Melted mozzarella covers layers of savory meats, black olives, red onion, mushrooms, and more, creating an irresistible casserole. Simple ingredients come together for a satisfying dinner that's sure to be a hit at the table. Perfect for busy weeknights or sharing with friends, this loaded spaghetti bake offers bold flavors and a cozy, melty finish fresh from the oven.

Labels: #quick #kid-friendly

Lili Clark smiling at the camera.
Created By Lili Clark
Updated on Mon, 06 Jul 2026 18:34:13 GMT
A loaded pizza spaghetti dish with mushrooms, olives, peppers, and tomatoes. Save
A loaded pizza spaghetti dish with mushrooms, olives, peppers, and tomatoes. | lilicooks.com

Loaded Pizza Spaghetti brings together all the nostalgic flavors of classic pizza layered into a comforting spaghetti bake that never fails to win over a crowd. This dish is a lifesaver on busy weeknights or when you have a house full of hungry kids and want some fun without feeling like you have to order takeout.

I still remember the first time I tossed together pizza toppings with my pasta and my family’s eyes lit up with every cheesy bite. Now whenever I ask what’s for dinner Loaded Pizza Spaghetti is always at the top of the list.

Ingredients

  • Spaghetti noodles: for the perfect pasta base that holds sauce and toppings well choose a brand with good texture so it does not go mushy
  • Ground beef: builds a hearty layer plus extra protein look for 80 percent lean for great flavor
  • Italian seasoning: brings together all those signature pizza notes grab a fresh spice blend for best taste
  • Onion powder and garlic powder: deliver savory depth and classic pizza aroma use fresh if you have it or go for quality dried options
  • Seasoned salt: for catching the pizza shop flavor always taste before adding extra since bacon and pepperoni bring salt too
  • Pizza sauce: gives unmistakable pizzeria tang and sweetness choose a robust flavorful jarred version
  • Pasta sauce: to stretch the flavors and add sauciness look for one with herbs and no added sugar for balance
  • Red onion, diced: for a pop of color and light bite pick onions with firm texture and bright color
  • Cooked bacon crumbles: add smoky crunch and richness crisp them fresh for best results
  • Pepperoni slices: classic pizza ingredient that bakes into crispy savory bites grab a stick at the deli if you can
  • Mozzarella cheese: melts into gooey stretchy perfection always shred fresh from a block for best melt
  • Mushrooms, sliced: for earthiness and a little juice pick firm cremini or white mushrooms
  • Black olives, sliced: add salty brininess pre-sliced canned olives work or pit and slice your own

Step-by-Step Instructions

Boil the Pasta:
Boil spaghetti noodles in well salted water until just al dente which usually takes about nine to ten minutes swirling occasionally so they do not stick then drain and set aside to prevent overcooking
Brown the Meat and Veggies:
While pasta boils set a large skillet over medium high heat and crumble in ground beef along with diced red onion mushrooms and any bell pepper you want to add cook for about eight minutes stirring to break up the meat until beef is fully browned and no pink remains drain off any grease for a lighter dish
Season the Mixture:
Sprinkle over the Italian seasoning onion powder garlic powder and seasoned salt then stir it well into the beef and veggies gently toast the spices for two minutes so the flavors bloom and everything gets evenly coated
Simmer with Sauce and Toppings:
Pour in pizza sauce and pasta sauce then add most of the bacon crumbles and a handful of pepperoni slices stir well and let the mixture simmer over low heat for five to seven minutes so the flavors meld into a rich hearty sauce
Combine with Pasta:
Tip the drained spaghetti into your skillet and use tongs to really toss pasta and sauce together well make sure everything is coated and every bite gets a mix of toppings and noodles
Top and Bake:
Scrape everything into a casserole dish pile on shredded mozzarella and scatter the rest of the bacon diced onions olives mushrooms bell peppers and remaining pepperoni across the top for those crisp pizza bites
Bake and Broil:
Slide the dish into a preheated oven at three hundred fifty degrees for ten minutes or until cheese is fully melted then broil for two to three minutes until you get bubbly golden brown cheese on top but watch closely so nothing burns
Serve and Enjoy:
Let the loaded bake sit for a few minutes then scoop generous portions onto plates and serve warm for maximum cheese pull effect
A pizza with spaghetti on top.
A pizza with spaghetti on top. | lilicooks.com

I have always loved how crispy pepperoni curls up in the oven and my favorite part as a kid was picking those golden bubbly cheese spots from the top as soon as the dish hit the table. My whole family still fights for the corners where the bacon and cheese get a little extra golden.

Storage Tips

Let leftovers cool before transferring to airtight containers. This spaghetti keeps in the fridge for up to four days. For busy weeks freeze portions wrapped tightly for up to two months. I always find a quick splash of water before reheating in the microwave keeps the noodles from drying out.

Ingredient Substitutions

Use Italian sausage or ground turkey for the beef. Any jarred marinara works for pasta sauce and you can go vegan with meatless crumbles and plant-based cheese. Try swapping mushrooms with roasted bell peppers or spinach if you have picky eaters.

Serving Suggestions

Pair with garlic bread and a crisp green salad for a complete meal. Leftovers make creative lunchbox fillings wrapped up in a tortilla or even layered into a grilled cheese. Sometimes I even serve it scooped over a bed of roasted zucchini for another veggie boost.

A plate of food with mushrooms, olives, peppers, and onions.
A plate of food with mushrooms, olives, peppers, and onions. | lilicooks.com

Cultural and Historical Notes

Pizza pasta bakes became popular in the United States as families merged regional Italian cooking with easy weeknight casseroles. There is something so comforting about combining pizza ingredients with the universal favorite spaghetti—no wonder it is a staple for busy families.

Recipe FAQs

→ What meats can be added?

Common additions include ground beef, bacon crumbles, and pepperoni. Italian sausage works well too for extra flavor.

→ Can I use a different pasta shape?

Yes, penne or rotini hold the sauces and toppings nicely, but spaghetti keeps a classic texture for this dish.

→ Is fresh mozzarella better than shredded?

Shredded mozzarella melts faster and covers the bake evenly, but using torn fresh mozzarella adds a creamy touch.

→ Can this dish be made vegetarian?

Simply omit the meats and incorporate extra veggies like bell pepper, zucchini, or spinach for a hearty option.

→ What's the best way to reheat it?

Reheat individual portions in the microwave, or warm the whole dish in the oven at 350°F until heated through and bubbly.

Loaded Pizza Spaghetti Bake

Classic pizza flavors meet cheesy baked spaghetti in this hearty, crowd-pleasing pasta casserole.

Preparation Time
10 min
Cooking Time
20 min
Overall Time
30 min
Created By: Lili Clark

Category: Dinner

Skill Level: Moderate

Cuisine Type: American

Output: 6 Serves

Dietary Options: ~

Ingredients

01 8 ounces spaghetti noodles
02 1 pound ground beef
03 1 teaspoon Italian seasoning
04 1 teaspoon onion powder
05 1 teaspoon garlic powder
06 1 teaspoon seasoned salt
07 14 ounces pizza sauce
08 24 ounces pasta sauce
09 ½ red onion, diced
10 1 ½ cups cooked bacon crumbles
11 15 pepperoni slices
12 2 cups mozzarella cheese, shredded
13 ¼ cup mushrooms, sliced
14 ¼ cup black olives, sliced

Steps

Step 01

Boil the spaghetti following the package instructions.

Step 02

Place a large skillet over medium-high heat and add the ground beef, red onion, mushrooms, and bell peppers. Cook until the beef is fully browned, then drain off any excess grease.

Step 03

Season the mixture with Italian seasoning, onion powder, garlic powder, and seasoned salt.

Step 04

Add a few pepperoni slices, most of the bacon crumbles, the pizza sauce, and the pasta sauce. Stir to combine and let it simmer gently.

Step 05

Once the spaghetti is drained, add it to the skillet and toss everything together.

Step 06

Pile on the mozzarella cheese and sprinkle over the remaining bacon, onions, olives, and pepperoni.

Step 07

Bake the dish at 350°F for 10 minutes, then broil for 2–3 minutes to melt and brown the cheese.

Step 08

Serve warm and enjoy!

Required Tools

  • Large skillet
  • Pot for boiling spaghetti
  • Oven

Allergy Information

Always check each ingredient for allergens, and consult a medical professional if unsure.
  • Contains gluten
  • Contains dairy
  • Contains pork

Nutritional Information (per serving)

These details are shared for general guidance and don’t replace professional advice.
  • Calories: 513
  • Fats: ~
  • Carbohydrates: ~
  • Proteins: ~