INGREDIENTS
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1/2 pound(s) merguez
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3 tablespoon(s) extra-virgin olive oil, plus more for drizzling
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1 pound(s) oyster mushrooms, stems discarded and large caps halved lengthwise
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1 pound(s) shiitake mushrooms, stems discarded and caps thinly sliced
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Salt and freshly ground pepper
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1 large red onion, thinly sliced
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2 tablespoon(s) all-purpose flour
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3 cup(s) mushroom stock or chicken stock
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1/4 cup(s) dry red wine
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1/2 pound(s) lasagna noodles, preferably flat see Note
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4 cup(s) fresh ricotta cheese
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1/2 pound(s) truffled pecorino cheese, coarsely shredded about 3 cups
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2 tablespoon(s) unsalted butter, softened plus more for greasing
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2 tablespoon(s) freshly grated Parmigiano-Reggiano cheese
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Parsley leaves, for garnish