Blueberry Lemon Protein Cake – Vegan Mug Cake January 23, 2019 admin Vegan Dessert Recipes Comments Off on Blueberry Lemon Protein Cake – Vegan Mug Cake High in protein, low in sugar, 15gm of fiber & it’s gluten-free! This Blueberry Lemon Protein Cake is 100% VEGAN and cooks in just minutes in your microwave!