"The Topanga Living Cafe in Topanga, CA, inspired this gluten-free quiche that is ideal for entertaining and uses caramelized sweet potato instead of dough...."
INGREDIENTS
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5 tablespoons extra-virgin olive oil, divided, plus more for pan
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1 1/2 pounds sweet potatoes (about 4 small), peeled, cut into 1/2-inch or smaller pieces
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Kosher salt
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1 large onion, thinly sliced
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1 small bunch curly kale, stems removed, torn into bite-size pieces
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12 large eggs
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4 ounces sharp cheddar, grated (about 1 cup)
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1 cup whole-milk Greek yogurt
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Freshly ground black pepper
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A 9-inch springform pan