Lima Protein Lentil Cakes The protein cake based on lentils is a variant of the well known cereal cake. This crispy variant has the typical taste of lentils and is full of proteins (22%) that give you energy all day long. The protein cake is enriched with buckwheat and quinoa and is the perfect snack. Moreover, the lentil cake is gluten-free and rich in fibres. A healthy, nutritious snack, pe..