1 Sauté shallot and garlic in oil until golden brown. 2 Add mushrooms and sauté until soft and tender. Season with salt and pepper.3 Cool and drain.4 Place sliced Idaho Potatoes in one layer on a baking sheet lined with parchment paper and brushed with olive oil. 5 Top each slice with 1 T mushroom filling and place another potato slice on top. 6 Bake in a preheated 350ºF oven until golden brown, about 15 minutes.