This potato salad uses a full head of roasted garlic as the backbone of its dressing โ no raw garlic bite, just a mellow, slightly sweet depth that coats every cube of potato. The dressing is oil-and-vinegar based with just enough mayonnaise to make it cling, so it stays lighter than a classic American-style potato salad. It takes about an hour start to finish, and it genuinely gets better the next day.
Shopping notes
- Yellow potatoes: Yukon Golds are the standard find at most US grocery stores and work perfectly here. Their waxy texture holds up to boiling and tossing without falling apart.
- Dijon mustard: Any standard Dijon works. Whole-grain mustard is a reasonable swap if thatโs what you have โ it adds a little texture to the dressing.
- White wine vinegar: The recipe lists apple cider vinegar as an alternative, and itโs a solid one. Red wine vinegar also works but adds a slightly stronger flavor.
- Mayonnaise: A good-quality store-bought mayo (Dukeโs, Hellmannโs) is fine. Homemade is great if you have it, but not necessary.
Why this recipe works
Two things make this salad succeed. First, roasting the garlic transforms it completely โ the sharp, pungent raw flavor mellows into something almost buttery, and it mashes smoothly into the dressing without any harsh edges. Second, tossing the potatoes while theyโre still warm matters. Warm potatoes are slightly porous and absorb the dressing as they cool, so the flavor goes all the way through rather than just sitting on the surface. If you wait until the potatoes are cold, the dressing stays on the outside and the inside tastes bland.
Troubleshooting
- Dressing tastes flat: Roasted garlic is mild by design, so the dressing needs enough salt and vinegar to carry it. Taste the dressing before you add the potatoes and adjust โ it should taste slightly sharper than you want the finished salad to be, since the potatoes will absorb and mellow it.
- Potatoes are falling apart: Cubes that are too small or boiled too long will break up when you toss them. Aim for 1-inch cubes and start checking at the 12-minute mark. They should give when pierced but not crumble.
- Salad looks dry after refrigerating: Potatoes keep absorbing liquid as they sit. If the salad looks tight after a few hours, stir in an extra teaspoon of olive oil and a small splash of vinegar before serving โ not more mayo.
- Garlic didnโt soften after 35 minutes: Oven temperatures vary. If the cloves arenโt completely soft and golden when you unwrap the foil, rewrap and give it another 10 minutes. Undercooked roasted garlic is still sharp and wonโt mash cleanly into the dressing.
- Green onions taste too sharp: Slice them and soak in cold water for 5 minutes, then pat dry before folding in. This takes the edge off without losing the flavor.
Leftovers and meal prep
Store the dressed salad in an airtight container in the refrigerator for up to 4 days โ this is one of the few potato salads that actually improves on day two, once the garlic dressing has had time to settle into the potatoes. If youโre making it ahead for the week, keep the parsley and green onions separate and stir them in just before serving; they stay brighter and the onions donโt turn soft and pungent. One honest note: dress it at the table โ a pre-dressed salad goes limp fast โ applies to green salads, not this one. Here, pre-dressing is the whole point. The salad is sturdy enough to pack into lunch containers and holds up well at room temperature for up to two hours, which makes it practical for work lunches or outdoor meals.
Uruguayan Roasted Garlic Potato Salad
Equipment
- 1 Baking sheet
- 1 Parchment paper
- 1 Mixing bowls
- 1 Sharp knife
- 1 Pot for boiling
- 1 Colander
Ingredients
For the roasted garlic
- 1 head garlic Whole, outer skins removed
- 1 tbsp olive oil Extra virgin
For the potato salad
- 2 lbs yellow potatoes Peeled and cubed
- 1 tsp salt For boiling water
- ยผ cup mayonnaise Preferably homemade or high-quality
- 1 tbsp Dijon mustard
- 2 tbsp white wine vinegar Or apple cider vinegar
- 3 tbsp olive oil Extra virgin
- ยฝ tsp black pepper Freshly ground
- ยฝ cup fresh parsley Chopped
- 3 units green onions Thinly sliced
Instructions
- Roast the Garlic: Preheat oven to 190ยฐC (375ยฐF). Slice the top off the head of garlic, drizzle with olive oil, and wrap in parchment paper and foil. Roast for 30-35 minutes until soft and golden. Let cool, then squeeze out the softened cloves.
- Boil the Potatoes: Bring a large pot of salted water to a boil. Add the cubed potatoes and cook for 12-15 minutes until tender but not mushy. Drain and let cool slightly.
- Prepare the Dressing: In a mixing bowl, mash the roasted garlic cloves and whisk them with mayonnaise, Dijon mustard, white wine vinegar, olive oil, salt, and black pepper.
- Assemble the Salad: Gently toss the warm potatoes with the dressing. Fold in the chopped parsley and green onions. Let the flavors meld for at least 10 minutes before serving.
Notes
- For extra depth of flavor, mix in a teaspoon of smoked paprika or a handful of crispy pancetta.
- Chilling the salad for a couple of hours allows the flavors to fully develop.
- Swap mayonnaise for Greek yogurt for a tangier, lighter variation.
Nutrition
Common questions
Can I make this potato salad the night before?
Yes, and itโs actually better the next day. Make the full salad, cover it, and refrigerate overnight. Just hold the fresh parsley and green onions until youโre ready to serve so they stay crisp and bright.
Do I have to peel the potatoes?
No โ the recipe calls for peeling, but leaving the skins on yellow potatoes is fine. The skins are thin and tender, and they add a little texture. Just scrub the potatoes well before cubing.
Can I use garlic powder instead of roasting a whole head?
It wonโt give you the same result. Roasted garlic is sweet and creamy; garlic powder is sharp and one-dimensional. If youโre short on time, roast the garlic while the potatoes boil โ the timing lines up reasonably well.
How do I keep the salad from getting watery?
Make sure the potatoes are well-drained and steamed dry for a minute or two in the colander before you dress them. Excess water dilutes the dressing and makes the whole salad loose.
Is this salad served cold or at room temperature?
Either works. Straight from the fridge itโs firm and the flavors are clean; at room temperature the garlic and olive oil come forward more. Pull it out of the fridge about 15 minutes before serving if you want the full flavor.