Had the most amazing mahi mahi with limoncello sauce at a great Italian restaurant, the chef gave me hints of what was in the sauce, so i experimented, tweeked and lots of samplings later,,here it is..sooo wonderful. I used tilapia but any white fish would work. To plate..place the sauteed fish over a bed of creamed potatoes and pour the sauce over the top..I served with minted peas, fresh green beans and baked tomatoes( baked with anchovies, garlic, basil and olive oil)