INGREDIENTS
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1/3 c. white vinegar
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1/4 c. sugar
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1/4 c. ketchup
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1 tsp. ginger, grated
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Vegetable oil, for frying
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1/2 c. cornstarch
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1/2 tsp. baking powder
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2/3 c. beer
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kosher salt
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1 large head of cauliflower, cut into florets
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Steamed rice, for serving (optional)