Semolina Onion Rings Recipe
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- 5 cups plus 6 tablespoons vegetable oil
- 2 cups semolina flour
- 2 tablespoons cornstarch
- 2 teaspoons all-purpose flour
- 2 teaspoons kosher salt, plus more as needed
- 2 teaspoons granulated sugar
- 1/2 teaspoon baking powder
- 1/2 teaspoon baking soda
- 2 large eggs
- 1 1/2 cups club soda
- 2 medium yellow onions, sliced crosswise into 1/4- to 1/2-inch-thick rounds and separated into single rings
- Heat the oven to 250°F and arrange a rack in the middle. Set 2 wire racks over 2 baking sheets; set aside. Place 5 cups of the oil in a Dutch oven or a large, heavy-bottomed pot. Heat over medium-high heat until the oil reaches 350°F on a deep-frying/candy thermometer.
- When the oil is ready, place the semolina flour, cornstarch, all-purpose flour, measured salt, sugar, baking powder, and baking soda in a large bowl and whisk to combine. Add the remaining 6 tablespoons of oil, eggs, and club soda and whisk until just incorporated (do not overmix).
- Place 10 of the onion rings in the batter and stir gently to coat using a rubber spatula, being careful not to tear them. Using your hands, remove the rings 1 at a time from the batter and carefully place them in the oil. Fry, flipping once with tongs, until both sides are golden brown, about 4 to 5 minutes total. Transfer to 1 of the prepared baking sheets and season with salt.
- Repeat with the remaining onion rings. When the first baking sheet is full, place it in the oven to keep warm until all of the onion rings are fried.