INGREDIENTS
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2 pounds sweet potatoes, peeled, cut into 1-inch pieces
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1 Fresno chile, thinly sliced
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5 scallions, thinly sliced, plus more for serving
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3 garlic cloves, grated, divided
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1 tablespoon plus 1 teaspoon freshly grated ginger, divided
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1/4 cup plus 2 tablespoons virgin coconut oil, melted, or vegetable oil, divided
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Kosher salt, freshly ground pepper
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2 bunches collard greens, ribs and stems removed, torn into pieces (about 8 packed cups)
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1/2 teaspoon ground cardamom (optional)
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1/2 cup unsweetened coconut milk
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Whole-milk yogurt (for serving)