Batatas a Murro
Portuguese smashed potatoes with garlic, thyme, and flor de sal

Yield: 4 portions
Portion: ~150g potatoes
Prep: 5m
Cook: 45m
0Total: 50m
Ingredients
Potatoes
- 600 g small waxy potatoes, whole, skin on β choose evenly sized potatoes for uniform cooking
- 1 tbsp coarse salt, for the boiling water
For roasting
- 60 ml extra-virgin olive oil, generous drizzle over the smashed potatoes
- 4 cloves garlic cloves, unpeeled, lightly crushed with the flat of a knife
- 4 sprigs fresh thyme
- 1 tsp flor de sal, scattered over just before roasting
Method
Boil the potatoes
- 1
Preheat the oven to 220Β°C (conventional, not fan). Bring a large pot of well-salted water to the boil. Add the potatoes whole and unpeeled. Cook for 18β22 minutes until just tender β a knife slides in with slight resistance but the potato does not collapse. Do not overcook; you want them holding together for the smashing step.
22mTip: Uniformly sized potatoes are essential here β sort through the bag and use only the small ones for this recipe, or halve any larger ones before boiling.
Smash and roast
- 2
Drain the potatoes and let them steam-dry in the colander for 2 minutes β surface moisture is the enemy of crispness. Line a rimmed baking sheet with parchment paper. Place the potatoes on the tray with space between each one.
3m - 3
Using the palm of your hand or the flat bottom of a mug, press down on each potato firmly until it cracks open and flattens to about 1.5β2cm thick. You want them cracked and opened, exposing rough, craggy surfaces β but still holding together in one piece. The more surface area exposed, the more crunch.
3mTip: If a potato splits into pieces completely, tuck the pieces back together on the tray β they will crisp up fine and can be arranged neatly on the plate at serving.
- 4
Drizzle generously with olive oil, making sure to coat the exposed flesh and not just the top surface. Tuck the crushed garlic cloves and thyme sprigs between and around the potatoes. Scatter flor de sal evenly over the top.
2m - 5
Roast at 220Β°C for 20β25 minutes until the edges are deeply golden and crispy. Do not flip or disturb them during roasting β let the bottom crust form undisturbed. If roasting alongside Dourada ao Sal, place the potatoes on the lower rack; start them 5 minutes before the fish if you want maximum crunch.
25mTip: The unpeeled garlic cloves will have softened and caramelized in their skins β squeeze them over the potatoes just before serving for extra depth.
Dietary
Storage & Shelf Life
Refrigerated
Temperature: 0-4Β°C
Shelf life: 2 days
Freeze: Not recommended
Reheat in a hot oven (200Β°C) for 8β10 minutes to restore crispness. Avoid microwaving β the potatoes will turn soggy.
Plating
Arrange on a warm plate or serving dish with the golden, craggy surfaces facing up. Squeeze the softened garlic from the skins over the top and drape the roasted thyme sprigs alongside.
Garnish: Roasted garlic squeezed from the skins; extra flor de sal if needed
Serve in: Warm flat plate or shallow serving dish
Temperature: Hot β serve immediately from the oven
The Story Behind This Dish
βBatatas a Murro β literally 'punched potatoes' β is the classic Portuguese preparation that sits somewhere between a boiled potato and a roasted one, achieving the best of both: a creamy interior from the initial boil and shatteringly crisp, olive-oil-soaked edges from the hot oven. The name comes from smashing each cooked potato with the fist (murro means punch or fist-strike), cracking it open to expose rough, irregular surfaces that absorb oil and crisp at high heat. They are the definitive accompaniment to Dourada ao Sal β starchy and savory where the fish is delicate and clean.β
Disclaimer: The information provided in this recipe, including preparation methods, storage guidelines, and shelf-life recommendations, is for general guidance only. We accept no responsibility for any foodborne illness or adverse effects resulting from the preparation, handling, storage, or consumption of food made using this recipe. Always follow safe food handling practices and consult official food safety guidelines.
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