Coffee Onion Rings

Name: Coffee Onion Rings
Yield: serves 4 as a side dish
Ingredients: 225 grams brewed coffee; 0.2 gram xanthan gum (see Sources, page 309); 150 grams all-purpose flour; 1 large egg yolk; 2 grams fine sea salt; 1.5 grams baking soda; Canola oil or rice bran oil, for frying; 85 grams all-purpose flour; 10 grams onion powder; 3 medium sweet onions, cut into 3/4-inch (1.9-centimeter) rings; Beef Seasoning (page 18); Smoked ketchup (see page 62)

December 9, 2011

These onion rings are extra light and crispy because we carbonate the batter. If you don’t have a home carbonation system, you can substitute seltzer water and a tablespoon of freeze-dried coffee. Simple home carbonation systems run the gamut from about $60 for an iSi carbonator to several hundred dollars for a carbonation rig and CO2 tank. Once you start playing with one, you’ll wonder how you ever got along without it. The tiny bit of xanthan gum in the recipe helps the batter stick to the onion slices and keeps it from separating. You can season the onion rings with salt and serve with ketchup, but we think you’ll find that the Beef Seasoning and smoked ketchup really take the flavor to the next level.

Recipe notes

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