In a large skillet over medium heat, melt 2 tablespoons of the butter. Add shrimp to skillet and saute for 3-4 minutes (stirring frequently), or until shrimp have just turned pink on both sides.Transfer shrimp to a plate and set aside.Using the same skillet, add minced garlic and cook until fragrant, stirring constantly for about 30 seconds. Add wine and lemon juice, while continuing to stir. Season with salt and pepper.Add remaining butter, stirring constantly until sauce is thickened (about 2 minutes). Remove skillet from heat and return shrimp to butter sauce. Gently stir to evenly coat shrimp. Sprinkle with parsley. Serve with French bread, if desired.