Mashed Potato Gratin

1. 1

   1. Preheat oven to 400. Coat a 2-qt casserole with no-stick spray.

2. 2

   2. In a food processor, combine pootatoes, beans, cheese, mustard, horseradish until weell mixed. Spoon into prepared casserole dish.

3. 3

   3. Evenly spread the spinach over the potato mixture. Top with the tomatoes. Bake for 15-20 minutes until heated through.

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