Hidden Layer Mushroom & Spinach Lasagna

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A classic lasagna with a surprise layer of earthy mushrooms and fresh spinach hidden between pasta sheets, creating a burst of flavor with every forkful. This italian-inspired pasta ready in about 65 minutes pairs no-boil lasagna noodles, marinara sauce, ricotta cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 200 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 30 min Cook: 35 min Serves 6 Italian cuisine 200 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 375°F. Heat 1 tbsp olive oil in a large skillet over medium heat, then add 1 cup sliced mushrooms and cook for 5 minutes until golden; stir in 2 cups fresh spinach and cook until wilted, about 2 minutes.
  2. Step 2: In a bowl, combine 1 cup ricotta cheese, 1/2 tsp salt, and 1/4 tsp black pepper; mix until smooth.
  3. Step 3: Spread 1/2 cup marinara sauce in a 9x13-inch baking dish, then place 4 no-boil lasagna noodles on top. Spread 1/2 cup ricotta mixture over the noodles, then add 1 cup mushroom-spinach mixture, then 1/2 cup shredded mozzarella and 2 tbsp grated Parmesan.
  4. Step 4: Place another 4 no-boil lasagna noodles on top. Spread remaining 1/2 cup ricotta mixture, then 1 cup mushroom-spinach mixture, then 1/2 cup mozzarella and 2 tbsp Parmesan.
  5. Step 5: Place last 4 noodles on top. Spread remaining 1/2 cup marinara sauce, then 1/2 cup mozzarella and 2 tbsp Parmesan. Cover with foil and bake for 25 minutes, then remove foil and bake for 10 more minutes until golden and bubbly.

Frequently asked questions

How long does Hidden Layer Mushroom & Spinach Lasagna take to make?

Total time is about 65 minutes (30 min prep + 35 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Hidden Layer Mushroom & Spinach Lasagna?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep no-boil lasagna noodles from drying out.

Can I substitute ingredients in Hidden Layer Mushroom & Spinach Lasagna?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Hidden Layer Mushroom & Spinach Lasagna for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Hidden Layer Mushroom & Spinach Lasagna?

Italian pasta like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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