In a large bowl whisk to combine the vegetable oil, eggs, lemon rind, lemon juice, yogurt and sugar. Sift the flower over it and stir to combine. Pour into a well-greased bundt pan. Bake for 50-55 minutes or until an inserted skewer comes out clean. Allow the cake to cool in the pan for 10 minutes before carefully turning it out onto a cake plate. Allow to cool before glazing.
Make the icing by combining the confectioners sugar, water and limoncello. Spoon the glaze over the top.
Notes
Use organic lemons if possible since you will be using the zest. Let the cake cool completely before glazing.Drizzle quickly since the glaze hardens fast.