Name: Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: Italian-American
Ingredients: 2 Tablespoons olive oil; 1 yellow onion (medium, finely diced); 1 Teaspoon kosher salt (divided); ½ Teaspoon black pepper (freshly ground, divided); 3 Cloves garlic (minced); 1 Pound sweet Italian sausage (ground); ¼ Teaspoon crushed red pepper flakes (optional); 24 Ounces marinara sauce; 16 Ounces mostaccioli pasta; 15 Ounces ricotta cheese (whole milk); 1 egg (large); ½ Cup + 3 Tablespoons parmesan cheese (freshly grated, divided); 2 Cups mozzarella cheese (part-skim, freshly shredded); Fresh basil leaves (for garnish)

Jump to Recipe· 4.1 from 9 reviews

I am so excited to share my Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe with you because this dish is one of my ultimate comfort food go-tos. It combines juicy Italian sausage, creamy ricotta, tons of melted cheese, and perfectly al dente mostaccioli pasta in a rich, homemade marinara sauce. Every bite feels like a warm hug, and it’s the kind of recipe that leaves you happily full and dreaming about leftovers. I love how easy it comes together, yet tastes like you spent hours in the kitchen.

Why You'll Love This Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe

For me, what really makes this Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe stand out is the balance of flavors and textures. The savory, slightly sweet Italian sausage brings a robust meatiness that pairs beautifully with the smooth ricotta mixture, which adds a luscious creaminess that feels decadent without being heavy. The sharpness from the Parmesan and the gooey mozzarella melted on top create that irresistible golden crust everyone loves in baked pasta dishes. When I make this, I find that every mouthful is a perfect melody of rich, savory, and cheesy goodness.

Another reason I always come back to this recipe is how straightforward it is to prepare. Whether I’m cooking for a busy weeknight dinner or feeding a crowd on a relaxed weekend, it never feels complicated. The steps fall into place easily, and I love that I can prep the sauce and pasta in advance before assembling and popping it in the oven. Plus, it’s so versatile — perfect for casual family dinners or impressing guests at a gathering. I truly believe this recipe deserves a spot in your regular rotation as much as it holds one in mine.

Ingredients You'll Need

The image shows different cooking ingredients neatly arranged on a white marbled surface. There is a rectangular pile of raw ground meat on a white plate with a black rim in the upper right, with a dent in the center. Below it, a small white bowl contains red chili flakes, and another small white bowl holds minced garlic. To the left, a white bowl is filled with shredded pale yellow cheese, next to a white bowl holding smooth red tomato sauce. Beneath the cheese and sauce, a white scalloped bowl contains soft white ricotta cheese, next to a small glass bowl of finely grated cheese, and a small white cup with golden olive oil. A white bowl with diced onions is placed to the right of the ricotta, and near the top left, a brown egg lies beside two small white bowls filled with black pepper and salt. A blue box of Ronzoni Mostaccioli Rigati pasta is on the left side, and a small cluster of fresh green basil leaves lays in the lower left corner. Photo taken with an iphone --ar 4:5 --v 7

This recipe uses a handful of simple yet essential ingredients that each play a crucial role in delivering the dish’s classic Italian flavors and beautiful textures. From the sweet Italian sausage to the creamy ricotta and fresh basil garnish, every component adds its own touch to make this bake special.

Olive oil: This is the perfect base for sautéing the onion and sausage, adding a fruity richness to the sauce.
Yellow onion: Finely diced to bring a subtle sweetness and soften beautifully when cooked.
Kosher salt and freshly ground black pepper: Essential for seasoning the sauce, pasta, and ricotta mixture to enhance every flavor.
Garlic: Minced fresh garlic infuses the meat sauce with that classic Italian aroma and depth.
Sweet Italian sausage: Ground, it brings a juicy, flavorful punch without being spicy—just the way I like it.
Crushed red pepper flakes: Optional, but I add a pinch for a gentle hint of heat that wakes up the palate.
Marinara sauce: I use a rich, quality jarred sauce to save time, but homemade marinara works wonderfully too.
Mostaccioli pasta: The ridged tubular shape holds onto sauce perfectly, making every bite saucy and satisfying.
Ricotta cheese: Whole milk ricotta adds creamy, dreamy richness and acts like a binder in the layers.
Egg: Mixed into the ricotta to help everything set nicely during baking.
Parmesan cheese: Freshly grated for sharpness and a nutty finish sprinkled inside and on top.
Mozzarella cheese: Part-skim and freshly shredded to create that melty, bubbly cheesy crown.
Fresh basil leaves: Added as a bright, herbal garnish that lifts the entire dish just before serving.

Directions

Step 1: Preheat your oven to 350°F (175°C) and lightly grease a 9 x 13-inch baking dish to make sure the pasta bake doesn’t stick and pulls out easily when ready.

Step 2: Heat 2 tablespoons of olive oil in a large skillet set to medium heat. Once warm, add the finely diced yellow onion, ½ teaspoon kosher salt, and ¼ teaspoon black pepper. Sauté for about 4 minutes, until the onions become soft and translucent.

Step 3: Stir in the minced garlic and cook for 30 seconds until fragrant, being careful not to let it burn and turn bitter.

Step 4: Add 1 pound of ground sweet Italian sausage to the skillet. Break it apart with your spoon and cook for 6 to 8 minutes until browned and no longer pink. Drain any excess grease to keep the sauce from being oily.

Step 5: Pour in 24 ounces of marinara sauce with the cooked sausage in the skillet. Bring everything to a gentle simmer and let cook for 5 to 7 minutes, stirring occasionally to blend the flavors.

Step 6: While the sauce simmers, cook 16 ounces of mostaccioli pasta in salted boiling water according to the package instructions until al dente—usually around 9-11 minutes. Drain and set aside.

Step 7: In a medium mixing bowl, combine 15 ounces of whole milk ricotta cheese, 1 large egg, ½ cup freshly grated Parmesan cheese, ½ teaspoon salt, ¼ teaspoon black pepper, and ¼ teaspoon crushed red pepper flakes (if using). Stir until smooth and creamy.

Step 8: Toss the cooked pasta with the sausage and marinara sauce until everything is evenly coated with rich red sauce.

Step 9: Spread half of this pasta mixture into the prepared baking dish in an even layer. Carefully spread the ricotta mixture evenly over the pasta layer.

Step 10: Top the ricotta with the remaining pasta and sauce mixture, then sprinkle 2 cups shredded mozzarella cheese and the remaining 3 tablespoons Parmesan cheese over the top to create that glorious cheesy crust.

Step 11: Cover the dish with aluminum foil and bake for 20 minutes. Remove the foil and bake for an additional 10 minutes or until the cheese is melted, bubbly, and slightly golden brown around the edges.

Step 12: Garnish the baked pasta with fresh basil leaves just before serving to add a beautiful pop of color and fresh flavor. Serve hot and enjoy every cheesy, savory bite!

Servings and Timing

This Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe yields about 6 generous servings, making it perfect for a family dinner or a small gathering. The prep time is approximately 15 minutes since it mostly involves chopping and mixing, and the cook time totals about 45 minutes — including simmering the sauce, cooking the pasta, and baking. Altogether, you’re looking at roughly 1 hour from start to finish, including no extra resting time needed. Once it’s out of the oven, I recommend letting it cool just a bit so it settles before digging in.

How to Serve This Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe

A white stacked set of three plates holds a serving of baked penne pasta layered with red tomato sauce mixed with small pieces of browned meat, topped with melted white cheese that looks soft and creamy, and garnished with small fresh green basil leaves. The pasta is textured with ridges and appears well-coated in sauce. In the background, a white baking dish filled with the same baked pasta is partially visible, slightly out of focus. The scene is set on a white marbled surface with a blue and white checkered cloth nearby and a whole head of garlic and a small jar of sauce adding detail to the composition. Photo taken with an iphone --ar 4:5 --v 7

When it comes to serving this pasta bake, I love to keep things simple but thoughtfully paired. A crisp green salad with a tangy vinaigrette offsets the richness wonderfully, providing a fresh contrast in flavors and textures. Roasted or steamed vegetables like broccoli, asparagus, or green beans also make excellent sides that add color and nutrients to the plate.

For an extra touch of elegance, I like to garnish individual portions with a few fresh basil leaves and a light drizzle of good quality olive oil just before serving. It adds an herbal brightness and beautiful presentation that makes the meal feel special, especially when serving guests. I serve this Mostaccioli Pasta Bake hot right out of the oven because the gooey cheese and warm sauce are at their absolute best, but it also reheats well for leftovers the next day.

Because this recipe is so filling, I usually dish out moderate portions around one-sixth of the casserole per person. It’s ideal for cozy family dinners, casual get-togethers, or even holiday meals when you want something comforting that everyone will love. No matter the occasion, this pasta bake always feels like a celebration of classic Italian flavors in a hearty, homey dish.

Variations

Over the years, I’ve found fun and tasty ways to customize this Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe to suit different moods and dietary needs. For example, you can swap the sweet Italian sausage for a spicy version if you prefer a little heat or use a chicken or turkey-based Italian sausage for a leaner option without sacrificing that savory kick.

If you’re looking to make this dish gluten-free, I recommend using gluten-free pasta varieties that hold up well in baking, like rice or corn-based penne or mostaccioli. For a vegetarian twist, you can omit the sausage entirely and add sautéed mushrooms or roasted vegetables like zucchini and bell peppers to the marinara sauce for richness and texture. Just be sure to use vegetable broth if your sauce calls for it.

For those seeking a dairy-free or vegan version, swapping ricotta with a plant-based ricotta alternative or blended silken tofu works surprisingly well when mixed with nutritional yeast, garlic powder, and salt for flavor. Vegan shredded cheese options can replace the mozzarella topping, making this dish accessible while still delicious and gooey. You might also experiment with baking individual servings in ramekins for a fun personal touch.

Storage and Reheating

Storing Leftovers

When I have leftovers, I transfer the pasta bake into airtight containers and store them in the refrigerator. It keeps perfectly for up to 3 to 4 days. I recommend using glass or BPA-free plastic containers for the best sealing and easy reheating. If you've got a crowd, dividing into single-serving containers makes grabbing lunch super convenient.

Freezing

This Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe freezes beautifully. I like to portion out leftovers into freezer-safe containers or heavy-duty freezer bags, making sure to press out as much air as possible before sealing. It will keep well in the freezer for up to 3 months. When you’re ready to eat, defrost overnight in the fridge for the best texture.

Reheating

To reheat, I usually cover the container with foil and warm the pasta bake in a preheated oven at 350°F (175°C) for about 20-25 minutes, or until heated through and bubbly again. This helps maintain the cheese’s texture and prevents drying out. You can also microwave individual portions, but be sure to add a splash of water or sauce and cover to keep it moist. Avoid overheating as it can make the cheese rubbery.

FAQs

Can I use a different type of pasta?

Absolutely! While mostaccioli is my favorite because its ridges and hollow shape hold onto sauce so well, you can substitute with penne, ziti, or rigatoni. Just be sure to cook the pasta al dente so it doesn’t get mushy during baking.

Is it possible to make this recipe ahead of time?

Yes! You can prepare the sauce and pasta separately a day ahead. When you’re ready, assemble the layers and bake as directed. This makes it a great option for meal planning or entertaining with minimal stress.

What can I add for extra veggies?

I often toss in chopped spinach, roasted bell peppers, or sliced mushrooms with the sausage while cooking the sauce. These veggies complement the flavors and boost the nutrition without overpowering the dish.

Can I skip the egg in the ricotta mixture?

The egg helps bind the ricotta so it holds its creamy texture after baking. If you prefer to omit it, the bake may be looser, but it will still taste delicious. You might consider adding a tablespoon of cornstarch if you want a firmer mixture without using egg.

What’s the best way to prevent the pasta bake from drying out?

Covering the dish with foil during the first part of baking locks in moisture. Also, make sure your pasta is well coated with sauce before assembling. If you notice dryness when reheating leftovers, adding a spoonful of marinara or a drizzle of olive oil can help rehydrate the dish.

Conclusion

I genuinely hope you give this Mostaccioli Pasta Bake with Italian Sausage and Ricotta Recipe a try because it’s such a satisfying dish that brings warmth and comfort with every forkful. I love how it balances ease and indulgence, making it a perfect crowd-pleaser or cozy family meal. Once you’ve made it a couple of times, I’m sure it will become a beloved staple in your kitchen too!