Created by BudgetCooker on August 4, 2016
Step 1: Preheat oven to 350 degrees.
Step 2: In a large saucepan melt butter with water. Remove from heat and cool slightly. whisk in lemon juice, sugar, flour, yogurt, eggs, vanilla, salt, baking powder, cornstarch and the zest, mixing until completely combined.
Step 3: Pour into greased jelly roll pan and bake 15 minutes or until tester inserted into center of cake comes out clean.
Step 4: While cake is baking make icing. In a medium saucepan melt the butter and cream cheese. Remove from heat and whisk in lemon juice and powdered sugar. Pour over warm cake.