Combine panko and cilantro in a food processor; pulse 2 to 3 times or until cilantro is finely minced.
Transfer to a shallow dish.
Sprinkle shrimp with salt and pepper.
Combine egg and water in a shallow dish. Dip half of shrimp in egg mixture; dredge in crumb mixture, and place in a single layer on a plate. Repeat procedure with remaining shrimp, egg mixture, and crumb mixture.
Heat oil in a large nonstick skillet over medium-high heat.
Add shrimp, and cook 2 minutes on each side or until done.
