Barramundi fillet in lemon butter sauce

Name: Barramundi fillet in lemon butter sauce
Prep time: 10 min
Cook time: 12 min
Total time: 22 min
Cuisine: American
Ingredients: 2 Barramundi fillets (fresh or defrosted ); generous pinch of salt; 2 tsp avocado oil or olive oil; 1/2 lemon (juiced ); 1 tbsp butter; 1 tbsp cilantro or dill (chopped ); salt and pepper to taste; 1 tsp granulated garlic or garlic powder; ½ lb green beans or haricots verts (trimmed); ½ lemon (optional) (juiced ); ½ tbsp butter (optional)