Heat a few inches of oil to 350 F in a Dutch oven or a deep fryer.
Combine 1/2 cup of oil and the egg and beat well. Add remaining ingredients except oil for frying and stir until smooth.
Working in batches, dip shrimp in the batter and coat well.
Add shrimp to the fryer and fry for 1 minute. Turn and fry another 1 minute or until golden brown. Remove to a paper towel-lined plated or wire rack to drain.