Equipment
Ingredients
Spicy Roasted Cauliflower
- 1 cauliflower, trimmed into bite-sized florets
- 30 ml olive oil, extra-virgin
- 4 g crushed red pepper flakes, dried
- 3 g smoked paprika, ground
- 3 g garlic powder, ground
- 4 g fine sea salt, dry
- 1 g ground black pepper, freshly cracked
Ricotta Filling
- 450 g whole milk ricotta cheese, drained
- 1 egg, beaten
- 50 g parmesan cheese, finely grated
- 15 g fresh parsley, finely chopped flat-leaf leaves
- ½ g ground nutmeg
- 2 g fine sea salt, dry
- ½ g ground black pepper, freshly cracked
Lasagna Assembly
- 900 g marinara sauce, room temperature
- 250 g no-boil lasagna noodles, dry flat sheets
- 300 g mozzarella cheese, low-moisture, shredded
- 50 g parmesan cheese, finely grated
- 10 g fresh basil, fresh whole leaves, torn
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 488 kcal
- Protein
- 26 g
- Carbohydrates
- 45 g
- Fat
- 23 g
- Sugar
- 9 g
- Saturated Fat
- 11 g
- Zinc
- 3.1 mg
- Vitamin A
- 314 mcg
- Vitamin C
- 51 mg
- Water
- 258 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Preheat the oven to 220°C (425°F) and line a large rimmed baking sheet with parchment paper.
Place the trimmed cauliflower head on a cutting board and cut it into bite-sized florets roughly 2 to 3 cm in diameter using a chef's knife.
Transfer the cauliflower florets into a large mixing bowl, add 30 ml olive oil, 4 g crushed red pepper flakes, 3 g smoked paprika, 3 g garlic powder, 4 g sea salt, and 1 g black pepper, then toss until every floret is evenly coated.
Distribute the spiced cauliflower evenly across the prepared large rimmed baking sheet and roast at 220°C (425°F) for 20 minutes until edges are caramelized and charred.
Remove the cauliflower from the oven and adjust the oven temperature down to 190°C (375°F).
In a medium mixing bowl, whisk together 450 g ricotta cheese, 1 beaten egg, 50 g grated Parmesan cheese, 15 g chopped parsley, 0.5 g ground nutmeg, 2 g sea salt, and 0.5 g black pepper until the mixture is uniform and creamy.
Using a spatula, spread 200 g marinara sauce evenly across the bottom of a 9x13-inch baking dish. Lay down 4 no-boil lasagna noodles, spread half the ricotta mixture over the sheets, scatter half the roasted cauliflower on top, sprinkle with 100 g shredded mozzarella, and ladle over 200 g marinara sauce. Repeat with a second layer of 4 noodles, remaining ricotta, remaining cauliflower, 100 g mozzarella, and 200 g marinara. Place the final 4 noodles on top, cover completely with the remaining 300 g marinara sauce, and crown with the remaining 100 g mozzarella and 50 g grated Parmesan cheese.
Cover the 9x13-inch baking dish tightly with aluminum foil, arching the center slightly to prevent cheese contact, and bake at 190°C (375°F) for 30 minutes.
Carefully discard the aluminum foil and continue baking uncovered at 190°C (375°F) for 15 to 20 minutes, confirming that a digital instant-read probe thermometer placed into the center of the egg-containing filling reaches a minimum safe internal temperature of 71°C (160°F).
Transfer the baking dish onto a wire rack and let the lasagna rest undisturbed at room temperature for 15 minutes before cutting.
Scatter 10 g torn fresh basil leaves across the surface of the rested lasagna before portioning into 8 slices.
Chef's Notes
- No-boil pasta sheets depend on surrounding moisture to hydrate; placing sauce directly on the bottom of the dish and completely covering the top sheet layer prevents brittle edges.
- Roasting the cauliflower at high heat drives off water while producing caramelized sugars that harmonize with the acidity of tomato marinara and the richness of whole milk ricotta.
- Whole milk ricotta is strongly recommended over part-skim varieties because its higher milk fat content resists weeping and maintains structural integrity when baked with egg.
- A full 15-minute resting period post-bake allows the egg-ricotta custard to set and the mozzarella to firm up, ensuring neat, restaurant-quality square slices.
Storage
Refrigerator: 4 days — Cool leftover portions promptly and store in an airtight container at or below 4°C (40°F).
Freezer: 3 months — Wrap chilled individual portions securely in moisture-proof plastic wrap and heavy-duty aluminum foil.
Reheating: Reheat refrigerated portions in an oven preheated to 175°C (350°F) until the center reaches a safe minimum internal temperature of 74°C (165°F), roughly 20 to 25 minutes.
Troubleshooting
Top layer of no-boil lasagna noodles is dry, hard, or curled up
Cause: Noodles were insufficiently covered by sauce or the aluminum foil seal was loose, allowing steam to escape
Fix: Spoon 45 ml of hot marinara sauce over the dry edges, cover tightly with foil, and return to the oven at 190°C (375°F) for 10 minutes to steam and soften
Prevention: Ensure marinara sauce completely coats every millimeter of the top pasta sheets and crimp the foil edges tightly against the dish rim
Lasagna appears excessively watery and slices collapse when served
Cause: Cauliflower released residual water due to under-roasting, or the ricotta cheese retained excessive whey
Fix: Allow the baked casserole to rest an extra 15 minutes in a warm kitchen so the pasta sheets absorb ambient liquid; cannot be completely drained once baked
Prevention: Roast cauliflower until distinctly browned so internal moisture evaporates, and drain wet ricotta through a fine sieve prior to mixing
Center of the lasagna registers below 71°C (160°F) after uncovered baking
Cause: Cold refrigerated marinara or ricotta slowed heat penetration into the center of the deep casserole
Fix: Tent loosely with foil to avoid scorching the top cheese and bake for an additional 10 to 15 minutes until internal temp reaches 71°C (160°F)
Prevention: Allow sauce and cheeses to sit at cool room temperature during prep and rely on a probe thermometer rather than oven timers alone
Cultural Context
Baked pasta dishes originated in medieval Italy, where flat pasta sheets were layered with cheeses and savory fillings in regional variations such as Neapolitan and Bolognese lasagna al forno. Italian-American home cooks popularized layered casseroles featuring rich ricotta, copious mozzarella, and robust tomato marinara sauces. This modern variation celebrates those rustic traditions by centering deeply roasted, spicy brassicas as the primary aromatic filler for a wholesome, high-fiber winter dinner.
