This practical recipe for Old Bay fries starts with frozen french fries, adds a bit of Old Bay seasoning blend, and ends with you dipping them in a glorious, so simple tangy horseradish aioli.
Heat the oil. Attach a clip on thermometer and fill a Dutch oven or sturdy heavy bottomed pot with at least 5-6 inches of peanut oil or other neutral frying oil. Leave at least 3 inches of room from the surface of the oil to the top of the pot. Line a sheet pan with paper towels and fit a cooling rack over it.
Fry, baby, fry! When the oil is around 400°F use a wire spider to gently submerge the frozen fries in the oil. The temperature of the oil will drop immediately. Bring it back up to 350°F, this is the temperature you want to maintain while they're cooking. Adjust the burner as needed to stay at 350°F. You may have to work in batches. CAUTION: The oil will bubble and foam — be careful!
Add Old Bay. When the fries are golden brown around the edges (about 8-12 minutes), remove them to the lined sheet pan and immediately sprinkle with Old Bay. Bonus: After giving them about a minute to cool and drain the excess oil, use tongs to transfer the fries to a large metal mixing bowl and give them a few good tosses to help evenly distribute the Old Bay.
Garnish. Garnish with freshly chopped parsley and serve with lemon wedges and horseradish aioli on the side.
Horseradish Aioli
Combine all of the ingredients in a small mixing bowl and whisk well for about a minute to break up any horseradish lumps. Garnish with fresh chopped parsley. TIP: Zest the lemon *before* you juice it.
RECIPE NOTES
OVEN or AIR FRYER Old Bay fries: Spray with an oil spray and toss in a bowl with Old Bay before cooking to help it stick to the fries. Toss fries with additional Old Bay after cooking, if needed.