Whole-wheat Lasagna with Butternut Squash and Kale

Annabelle Breakey; Karen Shinto

You can assemble and chill the lasagna a day ahead, but add 10 to 15 minutes to the baking time. You can also freeze the lasagna, wrapped well in plastic wrap, for up to 1 month and bake it frozen (add 1 1/4 hours to the oven time).

Yield: Makes 8 servings
Recipe from Sunset

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Recipe Time

Total: 2 Hours

Nutritional Information

Amount per serving
  • Calories: 424
  • Calories from fat: 38%
  • Protein: 20g
  • Fat: 18g
  • Saturated fat: 7.4g
  • Carbohydrate: 51g
  • Fiber: 8g
  • Sodium: 659mg
  • Cholesterol: 39mg


  • 4 tablespoons olive oil, divided
  • 1 medium red onion, peeled and sliced
  • 3 peeled garlic cloves (1 minced, 2 left whole)
  • 2 cans (14 oz. each) crushed tomatoes
  • 1 teaspoon dried oregano
  • About 1 tsp. each salt and freshly ground black pepper, divided
  • 6 cups (about 2 lbs.) butternut squash, peeled and cut into 1/2-in. cubes
  • 1/2 tsp. dried thyme
  • 1 pound Lacinato kale (often sold as dinosaur or Tuscan kale)
  • 9 whole-wheat lasagna noodles (about 8 oz.)
  • 1 container (15 oz.) part-skim-milk ricotta cheese
  • 1/8 teaspoon ground nutmeg
  • 2 cups shredded mozzarella cheese, divided


  1. 1. Preheat oven to 400°. Heat 2 tbsp. olive oil in a 2- to 3-qt. pot over medium heat. Add onion and minced garlic; cook, stirring occasionally, until onion is soft and translucent, 5 minutes. Add tomatoes, oregano, and 1/2 tsp. each salt and pepper. Reduce heat and simmer until thick and flavors are combined, about 30 minutes. Set aside.
  2. 2. While sauce is cooking, in a 12- by 15-in. baking pan, sprinkle squash with thyme, remaining olive oil, and salt and pepper to taste. Add garlic cloves and toss squash mixture to coat with oil. Bake until soft, 10 to 15 minutes. Meanwhile, bring 3 qts. salted water to a boil in a large pot.
  3. 3. Reduce oven temperature to 350°. Transfer squash and garlic to a food processor and purée until smooth.
  4. 4. Tear kale leaves from center ribs and discard ribs. Boil leaves until soft, 5 to 8 minutes. Drain; let cool. Squeeze out as much water as possible and chop finely.
  5. 5. In the same pot, bring another 3 qts. salted water to a boil. Add noodles and cook until tender to the bite, about 10 minutes. Drain; rinse with cold water.
  6. 6. In a bowl, mix ricotta, nutmeg, 1 cup mozzarella, and remaining 1/2 tsp. each salt and pepper.
  7. 7. Coat the bottom of a 9- by 13-in. pan with 1/3 of tomato sauce (about 1 1/2 cups). Lay 3 noodles in a single layer over sauce. Top noodles with squash, spreading evenly. Sprinkle 1/2 of kale evenly over squash. Arrange 3 more noodles on kale and top with ricotta, spreading evenly. Top with remaining kale and noodles. Cover noodles with remaining tomato sauce and sprinkle with remaining 1 cup mozzarella.
  8. 8. Bake lasagna until juices are bubbling and cheese is melted, about 30 minutes. Let stand 10 minutes before slicing.
  9. Note: Nutrition analysis is per 4 1/2- by 4 1/2-in. serving.
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