Approximate cooking time: 15 minutes Serves 4 Ingredients 4 tsp unsalted butter (softened) 1/2 lemon (juiced) 1/4 tsp salt (divided) 2 Tbsp fresh dill (coarsely chopped) fresh ground black pepper (to taste) 1 tsp olive oil 4 (4 ounce) grouper filets Directions Let the butter fully …