Crispy Baked Potato Fans

"Why this recipe works:This stunning potato dish delivers a fluffy interior, a crisp exterior, and a cheesy bread crumb topping—if you can get the potatoes cooked right. For our Crispy Baked Potato Fans recipe, we found that using the right kind of potato is key. The russet, or Idaho, potato was the best choice because of its starchy flesh and fluffy texture. Taking the time to rinse the potatoes of surface starch after they were sliced prevented them from sticking together, while trimming off the end of each potato gave the remaining slices room to fan out. To prevent overcooking our spuds in the punishing oven heat, we precooked them in the microwave before baking. A topping of fresh bread crumbs, melted butter, two kinds of cheese, garlic powder, and paprika is the crowning touch on our Crispy Baked Potato Fans. As a final step in our Crispy Baked Potato Fans recipe, we broiled the potatoes to make the topping extra-crunchy...."