Sheet Pan Lazy Lasagna Casserole
A simplified lasagna layered directly on a sheet pan with no-boil noodles, marinara sauce, and cheese for a fuss-free family dinner. This italian-inspired comfort food ready in about 65 minutes pairs sheets no-boil lasagna noodles, marinara sauce, shredded mozzarella cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 480 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.
Ingredients
- 9 sheets no-boil lasagna noodles
- 3 cups marinara sauce
- 3 cups shredded mozzarella cheese
- 1 cup ricotta cheese
- 1/2 cup grated Parmesan cheese
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Preheat oven to 375°F (190°C). Lightly grease a 9x13-inch sheet pan. Spread 1 cup marinara sauce evenly over the bottom of the pan.
- Step 2: Arrange 3 no-boil lasagna noodles in a single layer over the sauce. Dollop 1/3 cup ricotta cheese evenly over the noodles and sprinkle 1 cup shredded mozzarella cheese on top.
- Step 3: Repeat layering with 1 cup marinara, 3 noodles, 1/3 cup ricotta, and 1 cup mozzarella. Top the final 3 noodles with remaining 1 cup marinara, 1/3 cup ricotta, 1 cup mozzarella, and sprinkle 1/2 cup grated Parmesan cheese evenly.
- Step 4: Cover loosely with foil and bake for 40 minutes. Remove foil and bake an additional 10 minutes until cheese is bubbly and golden around edges. Let cool 10 minutes before slicing and serving.
Frequently asked questions
How long does Sheet Pan Lazy Lasagna Casserole take to make?
Total time is about 65 minutes (15 min prep + 50 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 Sheet Pan Lazy Lasagna Casserole?
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 marinara sauce from drying out.
Can I substitute ingredients in Sheet Pan Lazy Lasagna Casserole?
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 Sheet Pan Lazy Lasagna Casserole 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 Sheet Pan Lazy Lasagna Casserole?
Italian comfort food 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.