Butternut Squash, Caramelised Onion and Spinach Lasagne

By

Source: NYT Cooking.

Lasagne · Caramelised onion · Italian-American

Sweet roasted squash, sticky caramelised red onions and a creamy spinach sauce come together in a comforting layered bake.

Prep40 min
Cook2 h 40 min
Total3 h 20 min
DifficultyMedium
Per serving586 kcal
Servings8Recipe makes 8
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Allergens (EU 14)
GlutenCrustaceansEggsFishPeanutsSoybeansMilkTree nutsCeleryMustardSesameSulphitesLupinMolluscs

Always check the labels of the products you use.

Method

  1. 1

    Roast. Heat the oven to 190 °C, halve the 1400 g squash lengthwise, scoop out the seeds, set it in the tin and drizzle with 45 ml oil, then roast about 1 hour until soft, cool, peel, purée and season.

  2. 2

    Caramelise. Heat the other 45 ml oil until hot, add the 3 sliced red onions and toss, then cook over medium about 25 min until soft and browned and season.

  3. 3

    Blend. Stir together the 455 g ricotta, 2 tbsp rosemary, 2 eggs, half the 150 g parmesan and a little salt and pepper.

  4. 4

    Sauce. Melt the 45 g butter, stir in the 55 g flour and cook 2 min, add the 830 ml milk and stir until it boils and thickens, then fold through the rest of the parmesan, ¼ tsp nutmeg and the 450 g spinach and season.

  5. 5

    Prepare. Turn the oven down to 175 °C and grease the dish, then spread about 240 ml spinach sauce over the base.

  6. 6

    Layer. Add pasta, half the squash, pasta, all the ricotta topped with the onions, pasta, the rest of the squash, pasta and finally the remaining spinach sauce.

  7. 7

    Bake. Cover with foil and bake 1 hour, then uncover and bake 15 min more.

  8. 8

    Rest. Leave to settle 15 min before cutting into portions.

Storage

Chill leftovers and keep for up to 3 days. Cool leftovers in a shallow container and refrigerate within 2 hours (within 1 hour on a day above 32°C).

EU nutrition claims

  • Source of protein: 4 g protein per 100 kcal, about 16% of energy (needs ≥ 12%)
  • Low sugars: 4.9 g sugars per 100 g (limit ≤ 5 g)

Per 100 g of the finished dish, worked out from the nutrition per serving and the lowest likely cooked weight (about 226 g a serving), so the true values are, if anything, lower. Thresholds from the Annex to EU Regulation (EC) No 1924/2006. How we decide

Free sugars

Sugar (daily guide)

0 g per serving

0 % of the 50 g daily maximum · 0 % of the ideal 25 g

Free sugars under 50 g a day, ideally about 25 g, based on WHO free-sugar guidance (not endorsed by WHO). The share shown is the share of one serving. WHO

Equipment

  • roasting tin
  • food processor
  • large frying pan
  • medium bowl
  • medium saucepan
  • whisk
  • 23 x 33 cm baking dish
  • foil

Nutrition per serving Calculated from USDA FoodData Central

Per servingAmount
Energy586 kcal
Protein23.7 g
Carbohydrate54.4 g
of which sugars11.1 g
of which free sugars0 g
Fat31.9 g
of which saturates13.7 g
Fibre5 g
Salt1.95 g

Protein per 100 kcal

4 g High protein needs ≥ 5 g per 100 kcal (20% of energy) and ≥ 10 g per serving

Calculated from USDA FoodData Central ingredient values