01 -
Scrub and peel the potatoes, slice evenly about 1/4 inch thick, and pat dry. Slice the onion. Warm 2 tablespoons oil in a broad skillet over medium heat until lightly shimmering, without allowing it to smoke.
02 -
Carefully add potatoes and onion, followed by the salt and pepper. Turn to distribute the oil and seasoning. Spread across the pan; if crowded, divide into batches with a proportional share of the oil and seasonings.
03 -
Cook for roughly 20–30 minutes, leaving several minutes between gentle turns. Adjust heat whenever onion edges darken too quickly. Start checking the thickest potato pieces near 20 minutes and continue until a knife enters without resistance.
04 -
When potatoes are tender and have golden surfaces, taste and adjust seasoning if needed. Transfer directly to plates. Optional chopped parsley may be added after cooking. Refrigerate any leftovers promptly in a shallow container.