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Preheat oven to 450 degrees.
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Mix panko, 1/2 of the Parmesan, salt, and pepper in a bowl.
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Bring a large pot of salted water to boil. Cook pasta according to package instructions.
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Place kale and tomatoes tossed with oil on a baking sheet.
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Drain pasta and reserve 1/2 cup cooking liquid.
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Stir mustard, sour cream, cheese, Parmesan, cooking liquid and pasta together.
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Toss on baking sheet with kale and tomatoes. Top with leftover panko and Parmesan.
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Bake for 5-7 minutes until golden and bubbly.
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Serve and enjoy! :D