Toss bread cubes and 1/2 cup water in medium bowl. Let stand 10 minutes. Combine Knorr® Shrimp flavor Bouillon Cube(s) with remaining water in small bowl or measuring cup; stir to dissolve.
Process bread cubes, bouillon mixture and 2 tablespoons olive oil in food processor until smooth; set aside. Season fish, if desired, with salt and ground black pepper.
Combine flour and 1 teaspoon paprika in pie plate. Dip fish in flour mixture shaking off excess. Heat 2 tablespoons remaining olive oil in large nonstick skillet over medium heat and cook fish, turning once, until fish flakes easily with a fork, about 6 minutes. Remove fish to platter and keep warm.
Heat remaining 1 tablespoon olive oil in in same skillet over medium heat and cook garlic, stirring occasionally, until fragrant, about 1 minute. Add remaining 1 teaspoon paprika and cook, stirring, 30 seconds. Stir in bread mixture, and cook, stirring frequently, 5 minutes or to desired consistency. Stir in lemon juice and cilantro. Pour sauce over fish and garnish, if desired, with chopped cilantro.