This recipe for grilled hirame (flounder) with lemon butter sauce is sure to impress your guests. Start by marinating the hirame fillets in a mixture of olive oil, lemon juice, garlic, and herbs for about 30 minutes. Meanwhile, preheat your grill to medium-high heat. Once the fish is done marinating, place it on the grill and cook for about 4-5 minutes per side, or until it is opaque and flakes easily with a fork. While the fish is grilling, prepare the lemon butter sauce by melting butter in a saucepan and adding lemon juice, garlic, and a pinch of salt. Cook the sauce for a few minutes until it thickens slightly. Serve the grilled hirame with the lemon butter sauce drizzled over the top and garnish with fresh herbs. This dish pairs well with a side of roasted vegetables or a light salad.