When you need a dish that feeds a crowd without keeping you chained to the stove, this Party Lasagna delivers. It's a rich, creamy take on the classic, built on a foundation of savory Italian sausage, fresh spinach, and three types of cheese, all layered between no-boil noodles and a velvety béchamel-style sauce.
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This recipe is engineered for efficiency: no-boil noodles cut prep time, and the sauce comes together in one pot. The result is a lasagna that's indulgent yet balanced, with a golden, bubbling top that signals it's ready to serve. Whether it's game day, a family gathering, or a holiday buffet, this dish holds its shape and stays creamy from first slice to last.
Why You'll Love This Recipe
About the Ingredients
12 no-boil lasagna noodles (about 8 oz / 225g)
These save time; if using regular noodles, boil them 2 minutes less than package directions.
1 lb (450g) sweet Italian sausage, casings removed
Use hot Italian sausage for a spicy kick, or sub ground beef with 1 tsp fennel seeds.
1 tbsp olive oil
Extra virgin olive oil adds flavor; any neutral oil works.
1 medium yellow onion, finely chopped
About 1 cup; sweet onion is a good substitute.
4 cloves garlic, minced
Fresh garlic is best; jarred minced garlic works in a pinch.
1 (15 oz / 425g) container whole-milk ricotta cheese
Whole-milk gives the creamiest texture; part-skim will be lighter.
1 large egg
Helps bind the ricotta mixture; use a flax egg for vegan option.
1/2 cup (50g) grated Parmesan cheese
Freshly grated melts better; pre-shredded is okay but may have anti-caking agents.
1 (10 oz / 285g) package frozen chopped spinach, thawed and squeezed dry
Thaw and squeeze out excess water to avoid a watery lasagna.
3 cups (720ml) whole milk
Whole milk creates a richer sauce; 2% will work but be less creamy.
4 tbsp (55g) unsalted butter
Salted butter works; just reduce added salt.
1/4 cup (30g) all-purpose flour
Forms the roux; gluten-free flour blend can be substituted.
1/4 tsp ground nutmeg
Adds warmth; omit if you don't have it.
3 cups (340g) shredded mozzarella cheese
Low-moisture mozzarella melts best; fresh mozzarella will make it soupier.
Salt and black pepper, to taste
Season each layer lightly.
Tips & Tricks
Squeeze the spinach thoroughly
Use a clean kitchen towel to wring out all excess moisture—this prevents a watery lasagna.
Don't overcook the roux
Stir constantly for 1-2 minutes until it smells nutty, but don't let it brown, or the sauce will taste burnt.
Let it rest
After baking, let the lasagna rest for 15 minutes before slicing. This allows the layers to set and prevents a runny mess.
Pro Tips
Step-by-Step Instructions
1. Preheat and Prep
Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish. Squeeze the thawed spinach dry using a clean towel; set aside.
2. Cook the Sausage
In a large skillet, heat olive oil over medium-high heat. Add sausage and cook, breaking it up, until browned, about 5-7 minutes. Add onion and garlic; cook until softened, 3 minutes. Remove from heat.
3. Mix Ricotta Filling
In a bowl, combine ricotta, egg, 1/4 cup Parmesan, spinach, 1 cup mozzarella, salt, and pepper. Stir until well blended.
4. Make Béchamel Sauce
In a medium saucepan, melt butter over medium heat. Whisk in flour and cook for 1 minute. Gradually whisk in milk, bring to a simmer, and cook until thickened, about 5 minutes. Season with nutmeg, salt, and pepper. Remove from heat.
5. Assemble the Layers
Spread 1/2 cup of béchamel on the bottom of the dish. Place 3 noodles on top. Spread 1/3 of the ricotta mixture, then 1/3 of the sausage mixture, then 1/4 of the remaining béchamel, and sprinkle 1/2 cup mozzarella. Repeat layers twice. Top with final 3 noodles, remaining béchamel, and sprinkle with remaining mozzarella and Parmesan.
6. Bake Until Golden
Cover with foil and bake for 25 minutes. Remove foil and bake until top is golden brown and edges are bubbling, about 20-25 more minutes. Internal temperature should reach 165°F (74°C).
7. Rest and Serve
Let lasagna rest for 15 minutes before slicing. This helps it hold its shape. Serve warm.
Delicious Variations
Vegetarian
Skip the sausage and add 2 cups of sautéed mushrooms and zucchini.
Spicy
Use hot Italian sausage and add 1/2 tsp red pepper flakes to the ricotta.
Gluten-Free
Use gluten-free lasagna noodles and gluten-free flour in the béchamel.
How to Store Party Lasagna
Refrigerator
Store in an airtight container for up to 4 days.
Freezer
Freeze unbaked or baked lasagna for up to 3 months. Thaw overnight in the fridge before reheating.
Reheating
Reheat individual slices in the microwave for 1-2 minutes, or cover with foil and bake at 350°F (175°C) for 20-25 minutes.
Frequently Asked Questions
Q: Can I use regular lasagna noodles instead of no-boil?
Yes, boil them according to package directions until al dente, then drain and pat dry. No need to adjust the bake time.
Q: How do I know when the lasagna is fully cooked?
The internal temperature should reach 165°F (74°C) in the center, and the top should be golden brown with bubbling edges.
Q: Can I make this lasagna ahead of time?
Absolutely. Assemble it up to 24 hours in advance, cover, and refrigerate. Add 10-15 minutes to the bake time when baking from cold.
Q: Can I freeze Party Lasagna?
Yes, you can freeze it either baked or unbaked. Wrap tightly in foil and freeze for up to 3 months. Thaw overnight in the refrigerator before reheating.
Q: What can I substitute for ricotta cheese?
Cottage cheese (blended until smooth) or a mixture of cream cheese and sour cream can work as a substitute in equal amounts.
Ready to feed your crowd? Try this Party Lasagna at your next gathering and watch it disappear. Share your twist in the comments below!
Party Lasagna
Party Lasagna is a creamy, cheesy crowd-pleaser with savory sausage and spinach, perfect for feeding a hungry group.
🧂 Ingredients
- 12 no-boil lasagna noodles (about 8 oz / 225g)
- 1 lb (450g) sweet Italian sausage, casings removed
- 1 tbsp olive oil
- 1 medium yellow onion, finely chopped
- 4 cloves garlic, minced
- 1 (15 oz / 425g) container whole-milk ricotta cheese
- 1 large egg
- 1/2 cup (50g) grated Parmesan cheese
- 1 (10 oz / 285g) package frozen chopped spinach, thawed and squeezed dry
- 3 cups (720ml) whole milk
- 4 tbsp (55g) unsalted butter
- 1/4 cup (30g) all-purpose flour
- 1/4 tsp ground nutmeg
- 3 cups (340g) shredded mozzarella cheese
- Salt and black pepper, to taste
📋 Instructions
- 1Preheat and Prep — Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish. Squeeze the thawed spinach dry using a clean towel; set aside.
- 2Cook the Sausage — In a large skillet, heat olive oil over medium-high heat. Add sausage and cook, breaking it up, until browned, about 5-7 minutes. Add onion and garlic; cook until softened, 3 minutes. Remove from heat.
- 3Mix Ricotta Filling — In a bowl, combine ricotta, egg, 1/4 cup Parmesan, spinach, 1 cup mozzarella, salt, and pepper. Stir until well blended.
- 4Make Béchamel Sauce — In a medium saucepan, melt butter over medium heat. Whisk in flour and cook for 1 minute. Gradually whisk in milk, bring to a simmer, and cook until thickened, about 5 minutes. Season with nutmeg, salt, and pepper. Remove from heat.
- 5Assemble the Layers — Spread 1/2 cup of béchamel on the bottom of the dish. Place 3 noodles on top. Spread 1/3 of the ricotta mixture, then 1/3 of the sausage mixture, then 1/4 of the remaining béchamel, and sprinkle 1/2 cup mozzarella. Repeat layers twice. Top with final 3 noodles, remaining béchamel, and sprinkle with remaining mozzarella and Parmesan.
- 6Bake Until Golden — Cover with foil and bake for 25 minutes. Remove foil and bake until top is golden brown and edges are bubbling, about 20-25 more minutes. Internal temperature should reach 165°F (74°C).
- 7Rest and Serve — Let lasagna rest for 15 minutes before slicing. This helps it hold its shape. Serve warm.
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