This is the second recipe in a row that is legitimate dessert AND breakfast food. You are welcome.
I made this cake for my mom on Mother's Day, and it was a big hit with both her and my dad. Mr Official Taster? not so much. But, awesome wife that I am, I anticipated that and there were cookies for him. (Impressed? Don't be. I had dough stored in the freezer, so all I had to do was slice and bake.) I liked it, but I thought it needed just a touch more sweetness. A glaze on top or a sweeter variety of grapefruit to begin with would solve that issue.