1. In a mixing bowl, whisk together flour, eggs, milk, melted butter, and a pinch of salt until smooth. Let the batter rest for 15 minutes.
2. Heat a non-stick pan over medium heat. Pour a small amount of batter into the pan, tilting to cover the bottom. Cook until the edges start to lift, then flip and cook the other side. Repeat with remaining batter.
3. In another pan, heat olive oil over medium heat. Add garlic and sauté until fragrant. Add shrimp and cook until pink.
4. Add heavy cream, lemon juice, and parsley to the shrimp. Cook until the sauce thickens. Season with salt and pepper.
5. Fill each crepe with shrimp mixture and fold. Serve warm.