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Dinner · Part 1 of 3: Ingredients

One-Skillet Spinach and Four-Cheese Lasagna

A close-up of a bubbling skillet filled with lasagna, showing melty cheese and fresh spinach.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Revolutionize weeknight dinners with this one-skillet lasagna that skips the tedious layering process entirely. By cooking broken lasagna sheets directly in a flavorful sauce, this recipe delivers the exact comfort of a traditional baked dish in less than half the usual time. It is the perfect solution for busy evenings when a hearty, cheesy meal is needed without the hours of preparation in the kitchen. Save this method for your next quick and reliable family dinner.

This one-skillet spinach and four-cheese lasagna is a masterclass in efficiency. By utilizing the starchy liquid from the pasta as it cooks, the marinara sauce thickens naturally to create a rich, cohesive base that clings perfectly to every noodle.

The addition of spinach introduces a fresh, vibrant element, while the four-cheese blend provides the deep, savory profile expected from a classic baked lasagna. This approach transforms a complex dish into a straightforward process, making it accessible for any night of the week while maintaining high culinary standards.

Ingredients

Makes 4 servings · serves 4

Base

  • 1 tbsp olive oil
  • 4 cloves garlic, minced
  • 1 onion, diced
  • 300 grams dry lasagna sheets
  • 700 milliliters San Marzano marinara
  • 250 milliliters broth
  • 150 grams baby spinach

Cheese Blend

  • 300 grams ricotta
  • 100 grams mozzarella, shredded
  • 100 grams provolone, shredded
  • 100 grams Parmesan, grated

Garnish

  • fresh basil leaves, for serving
Contains: gluten, milk

Why this recipe works

The one-skillet method works by allowing the pasta to release its starch directly into the simmering sauce. This process naturally emulsifies the marinara and broth, creating a velvety consistency that would usually require a long-simmering béchamel or a lengthy baking time.

Because the noodles cook in the sauce, they absorb the flavors of the garlic and San Marzano tomatoes from the inside out, resulting in a more flavorful pasta experience than boiling them separately.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

Broiling the skillet at the final stage provides the necessary Maillard reaction on the cheese topping without needing to bake the entire dish for forty-five minutes. This focused high heat creates the signature golden-brown, crispy edges on the mozzarella and provolone, contrasting beautifully with the creamy dollops of ricotta.

The combination of simmering for texture and broiling for finish ensures that the dish feels authentic and complete, despite the significantly reduced preparation and cooking time required for this streamlined approach.

Notes and substitutions

Choose a high-quality San Marzano marinara for the best flavor profile, as the tomatoes are the primary foundation of the sauce. If a standard marinara is used, consider adding a pinch of dried oregano or red pepper flakes to enhance the depth. For the cheese blend, using freshly shredded mozzarella and provolone is highly recommended over pre-shredded options, as they contain anti-caking agents that can interfere with the desired melt and stretch of the final dish.

The choice of skillet is crucial for this recipe. An enameled cast-iron skillet provides excellent heat retention and distribution, which is essential for uniform simmering and effective broiling.

If a different type of oven-safe skillet is used, ensure it is deep enough to hold the pasta and sauce without spilling. Always verify that the handle of your skillet is oven-safe before placing it under the broiler to avoid damage to the kitchen equipment or safety hazards during the cooking process.

  • San Marzano marinara: any high-quality store-bought marinara sauce
  • baby spinach: chopped kale or Swiss chard

Equipment

  • large enameled cast-iron skillet
  • chef knife
  • cutting board
  • wooden spoon
  • measuring cups

Coming up in Part 2: the method

  1. Sautéing Aromatics · 1 stepSauté Aromatics
  2. Simmering the Pasta · 1 stepSimmer the Noodles
  3. Broiling to Finish · 1 stepFold, Top, and Broil

Up next · Part 2 of 3

3 steps · 25 min of cooking · what to look for at each stage

Step-by-step instructions (Part 2)