The potato that outshines whatever you made it a side dish for. Crispy fanned ridges stuffed with sweet-smoky bourbon bacon jam and bubbling Gorgonzola — one pan, one hour, standing ovation required.
Preheat oven to 400°F. Scrub potatoes and pat completely dry. Set up guard-rail cuts using two wooden spoon handles placed along each side of the potato; slice each potato in 1/8-inch intervals across the top without cutting through the base.
Season and Baste
Arrange potatoes in a cast-iron skillet or baking dish. Whisk together melted butter and olive oil. Brush generously over potatoes, working the baste down into the slices. Season well with kosher salt and cracked black pepper.
First Bake
Bake 25 minutes until slices begin to separate and peel back.
Mid-Bake Baste
Pull pan from oven. Spoon the hot butter-oil drippings from the bottom of the pan over each potato, working it into the opening slices. Return to oven for 20 to 25 minutes until edges are deeply golden and crispy and a knife slides cleanly into the thickest part.
Stuff and Finish
Remove from oven. Spoon bacon jam between the slices — it's fine if it spills over. Scatter blue cheese crumbles over the top.
Return to oven for 10 to 15 minutes until cheese is bubbling and jam is hot and glossy. Watch closely — the sugars in the jam will scorch.
Serve
Garnish with fresh chives and serve immediately.
Notes
Cheese swap: Aged sharp cheddar or Gruyere if Gorgonzola is too assertive.
Make-ahead: Complete the first 25-minute bake, refrigerate up to 24 hours, then bring to room temperature and add 5 minutes to the second bake before topping with jam and cheese.
Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in a 350°F oven or air fryer for 5 to 8 minutes. Do not microwave. Freezing not recommended — potato texture degrades on thaw.