In a large bowl, combine the flour, baking powder, salt, garlic powder, paprika, black pepper, and cayenne pepper. Mix until all ingredients are fully incorporated.
Add the seltzer water and mix until a thick batter is formed.
Heat the vegetable oil in a deep fryer or large pot to 375 degrees Fahrenheit.
Dip the shrimp into the batter and carefully place them into the hot oil. Fry for 3-4 minutes, or until golden brown.
Remove the shrimp from the oil and place on a paper towel-lined plate to drain.
Serve the shrimp immediately with your favorite dipping sauce.
Interesting Facts
Deep-fried shrimp is a popular dish in many Asian countries, including China, Japan, and Thailand.
The key to making the perfect deep-fried shrimp is to make sure the oil is at the correct temperature.
Deep-fried shrimp can be served as an appetizer, main course, or snack.