"A recipe from Mario Batali, from the 2007 Classic in Aspen...."
INGREDIENTS
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1/4 cup extra-virgin olive oil, plus more for drizzling
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1 medium onion, thinly sliced
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1 tablespoon marjoram leaves
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8 eggs
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1 cup fresh sheep-milk ricotta cheese
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3 tablespoons freshly grated Parmigiano-Reggiano cheese
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Salt and freshly ground pepper
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1 cup spicy tomato sauce