Amazing hasselback potatoes | Jamie Oliver recipes (2024)

FAQs

Why do you soak potatoes in water before roasting? ›

Soaking potatoes in water helps remove excess starch. Excess starch can inhibit the potatoes from cooking evenly as well as creating a gummy or sticky texture on the outside of your potatoes. Cold water is used because hot water would react with the starch activating it, making it harder to separate from the potatoes.

Meanwhile, the alkaline water helps the exteriors of the potatoes break down more, creating much more of the starchy slurry that leads to an extra-crisp exterior. About a half teaspoon of baking soda for two quarts of water was the right amount.

Do I have to boil potatoes before roasting? Not necessary but this can help get the perfect consistency and crispiness. Make sure you boil them but leave them a bit al dente and they will crisp up perfectly in the oven.

The potatoes cook on the inside when you parboil, so the baking time is basically crisping them up to perfection, which we do at a high oven temperature. If the potatoes are raw, when you use a high temperature, the outside of the potatoes will burn before the inside cooks.

First let's talk about why cut potatoes need to be immersed in water to begin with. The reason is to prevent the potatoes exposure to air, which causes dehydration, oxidation, and discoloration. Immersing cut potatoes will also help rinse off excess starch.

When the corn starch comes into contact with the hot oil, it forms a barrier that traps moisture within the potato while also developing a crunchy crust. This results in fries that are both tender on the inside and crispy on the outside, mimicking the texture of fries you might find in restaurants.

How Long Peeled and Cut Potatoes Last in Water. You should store peeled and cut potatoes in water for 24 hours to ensure the quality of your final product. "If you drain the potatoes and notice they are turning brown, that they've started getting soft, or if they are slimy you should discard them," says Brigman.

Once the potatoes have been partially boiled after six minutes, drain them using a colander and shake them while in the colander to fluff the edges up. Next, sprinkle the semolina and shake the potatoes again to make sure they are evenly coated. Then allow the the potatoes to steam dry for five minutes.

You want to use an oil with a mild flavour for your roasties. We prefer olive oil, but you can opt for vegetable, canola or grapeseed oils instead.

Neutral, low-cost oil such as vegetable oil, canola oil, safflower oil, peanut oil, corn oil, coconut oil, avocado oil, etc., work well for roasting. These oils have a high smoke point, allowing the potatoes to get very hot to achieve maximum crispiness.

Why do you put vinegar in potato water? ›

The starch in potatoes is held together by pectin. When that pectin breaks down too quickly in the boiling process, mushy potatoes result. Adding vinegar to the water fixes that problem because, as López-Alt explains, “pectin breaks down much more slowly in acidic environments.”

Soak the potatoes in cold water to remove the excess starch from the outside of the potato. There are a few reasons why you want to remove that starch (it makes the potatoes burn, it keeps them from crisping up, it turns to sugar) but all you really need to remember is to soak them at least one hour.

Why use salt water for soaking potatoes? There's moisture naturally found in potatoes, and moisture is drawn to higher concentrations of salt. (This is a process called osmosis.) So, if you put the potatoes in a salt water bath, that will help draw out some of their moisture, resulting in crispier fries.

The RSVP International Hasselback Potato Guide is really the key to hassle-free Hasselback-ing. Once I wash my potato, I pierce it with the guide and use my knife and the guide's prongs to cut the potato, over and over again, going from right to left.

Parboil them in a pan of boiling salted water for 15 minutes – this will ensure that the insides become really fluffy. 2. Drain in a colander and leave to steam dry for 2 minutes – this will help the fat to stick to the potatoes.