Stew Leonard’s makes every cake using only the finest ingredients available anywhere: 100% pure bourbon vanilla, farm fresh eggs and large fresh Mariani walnuts. The moistness & richness of our cakes are unmatched in the industry. Plus Stew Leonard’s coffee cake is certified Kosher Dairy. Stew Leonard’s coffee cake is Trans-Fat Free, has No Artificial Coloring, No Preservatives and No Artificial Flavoring.