Change the traditional for these Crab Cakes with Green Oil Sauce. This delicious recipe can be served as an appetizer or as a snack for your next Christmas dinner to vary the traditional menu. For these cakes, we use serrano chili, an ingredient that gives a spicy and very tasty touch to the green oil sauce. Enjoy crispy and creamy Crab Cakes with Green Oil Sauce, an easy Mexican recipe. Would you like to fill these cakes with something other than crab? Let us know what you think!