This sauce would be good as a dip and as a salad dressing. For example, as an alternative to sour cream or mayonnaise, when you want something richer than sour cream, but also something lighter than mayonnaise. The consistency and texture of the whipped feta sauce is reminiscent of a fatty mayonnaise, or rather aioli. Since there is quite a strong emphasis on the garlic flavor here. But you can make the sauce less spicy and garlicky - simply reduce the amount of garlic to one clove, or eliminate it altogether.