Blood Orange Upside Down Cake

Blood oranges are such a beautiful, shocking crimson hue when first sliced open; I could hardly waste that beauty by merely extracting the juice and letting it get lost in some cake batter. Instead, by placing blanched slices of the citrus fruit at the bottom of a cake pan and inverting the whole thing once baked, you get not only a flavorful cake but an aesthetically pleasing one as well. Any sort of citrus would be a fantastic substitute too, but bear in mind that you’ll need more lemons