Zesty Lemon Butter Fish Fillet

Ingredients
For the Fish:
4 white fish fillets (such as cod, tilapia, or haddock)
2 tablespoons olive oil
Salt and pepper to taste
1 teaspoon paprika
1 teaspoon garlic powder
1 teaspoon onion powder
For the Lemon Butter Sauce:
4 tablespoons butter
2 tablespoons olive oil
4 cloves garlic, minced
Juice and zest of 2 lemons
1 tablespoon fresh parsley, chopped
Salt and pepper to taste
For Garnish:
Lemon slices
Fresh parsley, chopped