
Golden, shatteringly crisp on the outside and fluffy in the center, these roast potatoes are the kind of side dish that disappears from the table before anything else. The secret is a two-step process — par-boiling the chunks until the edges go ragged, then shaking them dry in the pot to build up that rough, starchy surface that crisps so beautifully in the oven. Hot fat is the other non-negotiable: sliding the potatoes onto a screaming-hot baking sheet means they sizzle on contact and start crisping from the very first second. Duck fat, goose fat, or beef tallow each bring a deep, savory richness, but a good olive oil works just as well if that's what you have on hand. Crushed garlic cloves and fresh rosemary or thyme tucked in alongside the potatoes perfume the whole pan without overpowering the natural flavor of the spuds. Every single ingredient here is straightforwardly grain-free and oat-free — no coatings, no fillers, no hidden starches — just potatoes, fat, salt, and aromatics doing exactly what they're supposed to do. This is the roast potato recipe worth memorizing.
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Preheat the oven to 425°F (220°C). Place the fat in a large rimmed baking sheet and set it in the oven while it preheats.
Place the potato chunks in a large pot, cover with cold water by at least 1 inch, and add the kosher salt. Bring to a boil over high heat, then reduce to a vigorous simmer and cook for 10–12 minutes, until the edges are just beginning to look ragged and a knife tip meets slight resistance at the center — the potatoes should not be fully cooked through.
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