Wild Rice Gratin with Kale, Caramelized Onions, and Baby Swiss
Cook the rice according to package directions. Preheat your oven to 375 degrees.
Meanwhile, caramelize the onions: Heat the butter and olive oil in a large, heavy skillet over medium-low heat. Add onions, sprinkle with salt and a little pepper, and cook until they're tender and sweet, stirring occasionally, about 30 minutes. Add the kale ribbons, and cook until they wilt a bit, about 5 minutes. Stir together the onion-kale mixture, wild rice, and 1 cup grated cheese in a large bowl. Season to taste with additional salt and pepper, of needed.
Assemble the gratin: Use 1 tablespoon butter to generously coat a 2-quart baking dish. Spread the wild-rice mixture into prepared gratin and pour broth over it. Sprinkle remaining cheese over gratin. Toss breadcrumbs with 1 tablespoon melted butter and salt and pepper to taste; sprinkle over cheese.
Bake for 30 to 35 minutes, or until a little bubbly and beginning to brown on top.
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