Beer Battered Onion Rings

from Bridget Lancaster, Julia Collin Davison

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Why this recipe works:
Tasters preferred the gentle flavor of sweet onions to any other kind for our Beer-Battered Onion Rings. After testing many different batters, we settled on a beer, flour, salt, pepper, baking powder, and cornstarch batter. The beer gave the coating flavor, and the carbonation also provided lift to the batter. Baking powder yielded a coating that was thick and substantial, yet light, while cornstarch added crunch to the coating. Before frying our Beer-Battered Onion Rings, we soaked the onions in a mixture of beer, malt vinegar, and salt to soften them and build flavor.

Serves 4 to 6
In step 1, do not soak the onion rounds longer than 2 hours or they will turn soft and become too saturated to crisp properly. Cider vinegar can be used in place of malt vinegar. Use a candy thermometer to make sure the oil gets to 350 degrees. Ordinary yellow onions will produce acceptable rings here.

Ingredients: 2 sweet onions - peeled and sliced into 1/2" thick rounds 3 cups beer 2 teaspoons malt vinegar (see note) salt and pepper to taste 2 quarts peanut or vegetable oil 3/4 cup all purpose flour 3/4 cup corn starch 1 teaspoon baking powder
1. SOAK ONIONS Place onion rounds, 2 cups beer, vinegar, ½ teaspoon salt, and ½ teaspoon pepper in zipper-lock bag; refrigerate 30 minutes or up to 2 hours.
2. MAKE BATTER Heat oil in large Dutch oven over medium-high heat to 350 degrees. While oil is heating, combine flour, cornstarch, baking powder, ½ teaspoon salt, and ¼ teaspoon pepper in large bowl. Slowly whisk in ¾ cup beer until just combined (some lumps will remain). Whisk in remaining beer as needed, 1 tablespoon at a time, until batter falls from whisk in steady stream and leaves faint trail across surface of batter.
3. FRY RINGS Adjust oven rack to middle position and heat oven to 200 degrees. Remove onions from refrigerator and pour off liquid. Pat onion rounds dry with paper towels and separate into rings. Transfer one-third portion of rings to batter. One at a time, carefully transfer battered rings to oil. Fry until rings are golden brown and crisp, about 5 minutes, flipping halfway through frying. Drain rings on paper towel-lined baking sheet, season with salt and pepper, and transfer to oven. Return oil to 350 degrees and repeat with remaining onion rings and batter. Serve.
Troubleshooting Beer-Battered Onion Rings
PROBLEM: Crunchy Onions SOLUTION: Soak in Beer Soaking the rings in a combination of beer, vinegar, and salt softens and flavors the raw onion.
PROBLEM: Bad Battering SOLUTION: Add Beer Gradually If the batter is too thick, the rings will be doughy; too thin and it will run off. Add the beer gradually until the batter falls from a whisk to form a ribbon trail.
PROBLEM: Fused Onion Rings SOLUTION: Don’t Crowd the Pot Fry the battered onion rings in small batches and transfer them one at a time to the hot oil so they don’t stick together.
Malt Vinegar
We raided the English larder while making our Beer-Battered Onion Rings for a beloved condiment: malt vinegar. Britons douse fish and chips with the stuff, and given that it’s produced from sprouted barley grains, which are also used to make beer, it made a certain amount of sense for beer-battered rings. Malt vinegar gave the batter a faint, pleasantly malty, yeasty taste. But if you don’t have it, don’t worry. Cider and white wine vinegars are fine substitutions. Avoid balsamic and rice vinegars (tasters found them too sweet for beer batter) as well as red wine and distilled white vinegars (too harsh).