01 - In a large mixing bowl, combine flour, cornstarch, baking powder, salt, and pepper. Gradually add cold water, whisking until smooth and thick batter forms.
02 - Add mung bean sprouts, sweet potato, carrot, onion, and spring onions to the batter. Mix well to coat all vegetables evenly.
03 - Gently fold shrimps into the batter and vegetable mixture, being careful not to break them apart.
04 - Heat vegetable oil in a deep frying pan over medium-high heat until hot enough for frying.
05 - Scoop about 1/4 cup of mixture and carefully drop into hot oil, flattening lightly to form a disc. Fry 2-3 fritters at a time to avoid overcrowding.
06 - Fry each fritter for 3-4 minutes per side or until golden brown and crispy throughout.
07 - Remove fritters with a slotted spoon and drain on paper towels to remove excess oil.
08 - Combine vinegar, garlic, chili, and salt in a small bowl, stirring until salt dissolves.
09 - Serve Ukoy hot while crispy, accompanied by the prepared dipping sauce on the side.