Preheat oven to 350F.
Place white fish into 8x8-inch baking dish.
3 white fish fillets
Cut lemon in half, squeeze half lemon juice and leave it for marinate. Slice the other half of lemon, set aside.
1 lemon
In a medium bowl make marinate by combining: lemon juice, olive oil, dried basil, garlic powder, salt and black pepper.
1 Tbsp. olive oil, 1/4 tsp. dried basil, 1/4 tsp. salt, 1/8 tsp. ground black pepper, 1/4 tsp. garlic powder
Pour marinate over the fish, leave it for 30 minutes to marinate.
In a large bowl combine broccoli and Parmesan cheese. Spread nicely over the fish.
1 cup broccoli, 1 cup Parmesan cheese
Add butter and lemon slices on top.
2 Tbsp. unsalted butter
Bake for 30 - 40 minutes. Bake covered for 20 minutes and 10-20 minutes uncovered.