Sheet Pan Lasagna Recipe

I’m pretty sure this sheet pan lasagna recipe changed my weeknight routine for the better. This streamlined version cuts down on prep time and cleanup, transforming a complex dish into an easy family favorite. The best part is that it retains all the hearty flavor of a traditional lasagna, especially with those wonderfully crispy edges and a creamy center from the smoky red pepper béchamel. We’ve designed this recipe to be approachable for new cooks and efficient enough for busy weeknights, without sacrificing the flavor everyone loves.

Ingredients

• 1.3 lbs (600g) lean ground beef: Provides a hearty, savory base for the meat sauce. Use 80/20 ground beef for maximum flavor, or 90/10 for a slightly leaner option.
• 1 tablespoon (15mL) olive oil, divided (plus 1 more tbsp for greasing): Used to brown the meat and saute aromatics. Use a good quality extra virgin olive oil for both cooking and finishing.
• 1 large (200g) yellow onion, finely diced: Forms the aromatic foundation of the sauce. Ensure it is finely diced so it melts into the sauce as it cooks.
• 4 cloves (20g) garlic, minced: Adds depth and classic Italian flavor. Mince or grate it fresh for the best result.
• 1 teaspoon dried oregano and 1/2 teaspoon dried basil: Classic herbs for a traditional Italian red sauce. These provide the warm, earthy notes that pair perfectly with lasagna.
• 1/4 teaspoon red pepper flakes (optional): Adds a subtle warmth and balances the richness of the béchamel. Adjust according to your family’s preference for spice.
• 1 large (28 oz / 800g) can crushed tomatoes and 2 oz (60g) tomato paste: The base for a rich and flavorful meat ragu. Crushed tomatoes provide a smooth texture, while tomato paste deepens the tomato flavor significantly.
• 1/2 cup (120mL) vegetable broth and 1 bay leaf: Adds moisture for simmering and infuses a subtle savory note. The bay leaf should be removed before assembly.
• 12-15 no-boil lasagna noodles (approximately 10.5 oz / 300g): The key to making this recipe fast, as they soften directly in the sauce during baking. No-boil noodles (oven-ready) are typically found in the dry pasta aisle; do not substitute with fresh or regular dry noodles.
• 12 oz (340g) shredded low-moisture mozzarella cheese: Provides the iconic melting cheese layers. Low-moisture, pre-shredded mozzarella works perfectly for even distribution and melting.
• 2 oz (60g) grated Parmesan cheese: Used for a final layer of salty, sharp flavor. Grate fresh Parmesan for a more intense flavor than pre-grated options.
• Fresh Italian parsley, finely chopped (optional garnish): Adds a pop of color and freshness to finish the dish.
• For the Smoky Roasted Red Pepper Béchamel: 60g (1/4 cup) butter and 60g (1/2 cup) all-purpose flour. These form a roux, the base thickener for the creamy béchamel sauce.
• 3 cups (720mL) full-fat milk, warmed slightly: The liquid base for the béchamel. Use whole milk for a richer, creamier sauce (I often use 2% milk if that’s what’s in the fridge). Warming it slightly prevents lumps.
• 7 oz (200g) jarred roasted red peppers, drained and puréed smooth: The star ingredient for the unique béchamel flavor. Drain peppers thoroughly to prevent a watery sauce; ensure the puree is completely smooth before adding.
• 1 tablespoon (15g) sweet smoked paprika and 1/4 teaspoon (1.25g) freshly grated nutmeg: Adds a complex, smoky flavor that complements the red peppers and meat. Nutmeg balances the richness; smoked paprika adds depth.
• Sea salt and black pepper (to taste), plus 1/4 teaspoon white pepper (in béchamel): Seasoning throughout to highlight natural flavors. White pepper provides a cleaner heat in the béchamel, avoiding black flecks.

Optional (plan-ahead): If you’re shopping for the week, I put this into a 4-Week Meal Plan + Grocery Lists so dinner’s already decided before your day gets busy.

Instructions

This easy sheet pan lasagna recipe comes together quickly and is perfect for family-friendly weeknight meals. Follow these steps for best results:

1. Preheat oven and grease the pan: Set oven to 375°F (190°C) and lightly grease a standard 9×13 sheet pan. Use a non-stick pan or line with parchment for easiest cleanup; this prevents sticking during the final bake.
2. Prepare the hearty meat sauce: Heat 1 tablespoon olive oil in a large pot and brown the ground beef, breaking it apart until cooked through. Drain any excess fat. Add the diced onion and cook until softened (about 5 minutes), then stir in garlic, oregano, basil, and red pepper flakes for 1 minute until fragrant. Add tomatoes, tomato paste, broth, bay leaf, salt, and pepper; simmer for at least 20 minutes (or up to an hour for maximum flavor). Remove bay leaf before assembly.
3. Make the smoky roasted red pepper béchamel: In a separate medium saucepan, melt the butter over medium heat. Whisk in the flour and cook for 1-2 minutes to create a roux. Gradually add the warmed milk, whisking constantly until smooth and lump-free, then continue to whisk until the sauce thickens (5-7 minutes). If the béchamel doesn’t thicken after 7 minutes, try increasing the heat slightly while whisking continually, or let it simmer longer. Remove from heat and stir in the puréed roasted red peppers, smoked paprika, nutmeg, salt, and white pepper until completely smooth.
4. Assemble the sheet pan lasagna layers: Spread a thin layer of meat sauce over the bottom of the prepared sheet pan (about 1/2 cup). Arrange a single layer of no-boil noodles over the sauce, breaking them as necessary to fit the pan. Spread half of the smoky red pepper béchamel over the noodles, followed by half of the remaining meat sauce and one-third of the mozzarella cheese.
5. Repeat the layering process: Add another layer of noodles, followed by the remaining béchamel, then the remaining meat sauce, and another third of the mozzarella cheese. Finish with a final layer of noodles, the remaining mozzarella cheese, and all of the grated Parmesan cheese. The layering order is crucial for structure, ensuring the béchamel keeps the noodles moist in this easy sheet pan lasagna recipe.
6. Bake the lasagna to bubbly perfection: Cover the sheet pan loosely with foil (tenting it slightly so the cheese doesn’t stick) and bake for 30 minutes at 375°F (190°C). Remove the foil and bake for an additional 15-20 minutes, or until the top is golden brown and bubbly; if desired, briefly broil for 1-2 minutes for extra browning.
7. Rest and garnish before serving: Let the sheet pan lasagna rest for at least 15 minutes after baking before slicing; this allows the layers to set and prevents a messy-looking slice. Cut into generous squares, plate, and garnish generously with freshly chopped Italian parsley for color and freshness.

I sometimes do this whole sheet pan lasagna assembly ahead of time on a Sunday and just bake it right before dinner on Monday; it makes weeknights so much easier for family-friendly meals.

Customizing Your Smoky Red Pepper Sauce

The unique flavor of this sheet pan lasagna comes from the smoky red pepper béchamel, but you can adjust it to fit your preferences. If you don’t have smoked paprika, regular sweet paprika will provide a similar color without the smoky flavor; add a pinch of cayenne for heat if desired. To make the sauce vegetarian, simply omit the ground beef from the meat ragu. Add extra mushrooms or zucchini to the sauce for texture and substance; I find that using finely chopped mushrooms provides a great meaty texture substitute. For a milder flavor, reduce the smoked paprika to 1 teaspoon and add 1/4 teaspoon of extra nutmeg to enhance the creamy notes instead.

Make-Ahead Tips and Meal Prep

This sheet pan lasagna recipe is ideal for make-ahead meals and portioning for later in the week. To prep ahead: Assemble the entire lasagna in the sheet pan, cover tightly with plastic wrap or foil, and refrigerate for up to 24 hours before baking. Freezing instructions: If you wish to freeze the lasagna, assemble it in a disposable foil sheet pan. Cover tightly with two layers of foil and freeze for up to 3 months. To bake from frozen: Remove plastic wrap, keep foil cover, and bake at 350°F (175°C) for 1 hour, then remove foil and continue baking until heated through (approximately 30-40 more minutes).

FAQs

What kind of sheet pan works best for this recipe?

A standard 9×13 inch baking sheet with at least a 1-inch rim or a half-sheet pan will work perfectly. Ensure the pan is deep enough to hold the layers without overflowing during baking.

Can I make this with regular lasagna noodles instead of no-boil?

No-boil noodles are necessary for this recipe’s specific moisture levels. Regular noodles would not soften properly in the shorter baking time of this sheet pan lasagna recipe. The no-boil variety (oven-ready) absorbs moisture directly from the sauce, which is essential here.

Why do I need to let the lasagna rest before cutting it?

Resting allows the sauces and cheese to set up, ensuring clean squares when you cut it. Cutting it too early will result in messy, soupy slices that fall apart.

Can I substitute different cheeses in the layers?

Yes, you can. While mozzarella offers the best melt, provolone or fontina can be used for a slightly sharper flavor. Avoid high-moisture cheeses like fresh mozzarella.

Is it possible to make this recipe vegetarian?

Absolutely. Simply replace the ground beef with an equal amount of “meaty” ingredients like sautéed mushrooms, lentils, or a store-bought vegetarian ground substitute in the sauce base. This ensures you still get a hearty, satisfying meal.

How long do leftovers last in the refrigerator?

Store leftovers tightly covered in the refrigerator for up to 3-4 days. Reheat individual portions in the microwave or oven until warmed through. This makes it a great option for healthy meal prep.

How do I know when the sheet pan lasagna is done baking?

The lasagna is done when the internal temperature reaches 165°F (74°C) and the top layer of cheese is bubbly and golden brown, typically after a total of 45-50 minutes in the oven.

What side dishes pair well with this lasagna?

A simple green salad with vinaigrette, garlic bread, or roasted broccoli are excellent choices to balance the richness of this easy dinner idea.

Conclusion

This easy sheet pan lasagna recipe brings all the comfort and flavor of a traditional lasagna to your weeknight table without all the fuss. Make this streamlined version a new staple for family dinners. Don’t forget to save this recipe for later and share your results by tagging us in your photos online.

sheet pan lasagna recipe

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• Author: Savannah Brooks
• Total Time: 80 minutes
• Yield: 8 servings 1x
• Diet: General

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Description

This sheet pan lasagna recipe offers a streamlined, easy weeknight alternative to a classic dish, featuring crispy edges and a creamy center from a smoky red pepper béchamel.

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Ingredients

Scale 1x2x3x

• 1.3 lbs (600g) lean ground beef
• 2 tbsp olive oil, divided (plus extra for greasing)
• 1 large (200g) yellow onion, diced
• 4 cloves (20g) garlic, minced
• 1 tsp dried oregano
• 1/2 tsp dried basil
• 1/4 tsp red pepper flakes, optional
• 1 large (28 oz / 800g) can crushed tomatoes
• 2 oz (60g) tomato paste
• 1/2 cup (120mL) vegetable broth
• 1 bay leaf
• 12–15 no-boil lasagna noodles (approximately 10.5 oz / 300g)
• 12 oz (340g) shredded low-moisture mozzarella cheese
• 2 oz (60g) grated Parmesan cheese
• Fresh Italian parsley, chopped, for garnish
• 1/4 cup (60g) butter
• 1/2 cup (60g) all-purpose flour
• 3 cups (720mL) full-fat milk, warmed
• 7 oz (200g) jarred roasted red peppers, drained and puréed
• 1 tbsp (15g) sweet smoked paprika
• 1/4 tsp freshly grated nutmeg
• 1/4 tsp white pepper
• Sea salt and black pepper, to taste

Optional (plan-ahead): If you’re shopping for the week, I put this into a 4-Week Meal Plan + Grocery Lists so dinner’s already decided before your day gets busy.

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Instructions

1. Preheat Oven and Prep Pan: Set the oven to 375°F (190°C) and lightly grease a standard 9×13 inch sheet pan.
2. Prepare Meat Sauce: Brown the ground beef with 1 tablespoon of olive oil in a large pot and drain any excess fat. Add the diced onion and cook until softened, then stir in the garlic, oregano, basil, and red pepper flakes for one minute. Add the crushed tomatoes, tomato paste, vegetable broth, bay leaf, salt, and pepper. Simmer for at least 20 minutes, then remove the bay leaf before assembly.
3. Make Béchamel Sauce: In a separate medium saucepan, melt the butter over medium heat. Whisk in the flour to form a roux and cook for 1-2 minutes. Gradually whisk in the warmed milk until smooth and thickened (5-7 minutes). Remove from heat and stir in the puréed roasted red peppers, smoked paprika, nutmeg, salt, and white pepper until completely smooth.
4. Assemble Lasagna Layers: Spread a thin layer of meat sauce over the bottom of the prepared pan. Add a layer of no-boil noodles, breaking them to fit. Spread half of the béchamel over the noodles, followed by half of the remaining meat sauce and one-third of the mozzarella cheese. Repeat with another layer of noodles, the remaining béchamel, the remaining meat sauce, and another third of the mozzarella. Top with the final layer of noodles, the last third of mozzarella, and all of the Parmesan.
5. Bake and Serve: Cover the sheet pan loosely with foil and bake for 30 minutes at 375°F. Remove the foil and bake for an additional 15-20 minutes, or until the top is bubbly and golden brown. Let the lasagna rest for at least 15 minutes before slicing and garnishing with fresh parsley.

Notes

To make weeknights easier, assemble the entire lasagna ahead of time and refrigerate it for up to 24 hours before baking as directed.

• Prep Time: 30 minutes
• Cook Time: 50 minutes
• Category: Main Course
• Method: Baking
• Cuisine: Italian-American

Nutrition

• Serving Size: 1 serving
• Calories: 600 kcal
• Sugar: 10 g
• Sodium: 800 mg
• Fat: 30 g
• Saturated Fat: 15 g
• Unsaturated Fat: 15 g
• Trans Fat: 0 g
• Carbohydrates: 45 g
• Fiber: 5 g
• Protein: 30 g
• Cholesterol: 80 mg