Kale and Portobello Lasagne

A light and healthy lasagne packed with iron-rich kale and woody mushrooms.

  • Preparation Time25 mins
  • Cooking Time70 mins
  • Serves8
  • DifficultyEasy
250g jarred roasted red peppers, drained and coarsely chopped
1/2 teaspoon dried oregano
1 tin whole plum tomatoes
Salt and freshly ground black pepper
1/4 teaspoon granulated sugar
200g light mozzarella cheese, grated
2 large egg whites
420g light ricotta cheese
1 tablespoon olive oil
4 Portobello mushrooms, stems discarded, caps sliced 1/4-inch thick
1 small bunch kale, stems discarded, leaves coarsely chopped
1/4 teaspoon crushed red pepper flakes
2 cloves garlic, thinly sliced
Nonstick cooking spray
9 sheets fresh lasagne
2 tablespoons coarsely chopped fresh parsley

Preheat the oven to 175°C. Puree the peppers, oregano, tomatoes, 1/4 teaspoon salt, 1/4 teaspoon pepper and the sugar in a food processor or blender until smooth and set aside. Mix 160g of the mozzarella cheese with the egg whites and ricotta cheese in a medium bowl.

Heat the oil in a large nonstick skillet set over medium-high heat. Add the sliced mushrooms and cook, stirring, until they have released their liquid and are tender, about 10 minutes. Stir in the kale, in batches, and as it wilts add the pepper flakes, garlic and 1/4 teaspoon salt and continue to cook until the kale is wilted and bright green, an additional 5 minutes.

Mist a 9-by-13-inch baking dish with nonstick cooking spray. Spread 3/4 cup of the sauce in the bottom of the dish. Top with 3 lasagne sheets, 1/2 of the ricotta mixture and 1/2 of the mushroom mixture. Repeat layers with sauce, lasagne and remaining ricotta and mushrooms. Top with remaining lasagne and sauce. Cover with aluminum foil and bake until the lasagne shets are tender and the sauce is bubbling around the edges of the pan, about 50 minutes.

Uncover, sprinkle with the remaining grated mozzarella and continue to bake until melted, about 5 minutes. Let stand 15 minutes, sprinkle with parsley and serve.

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