When I told my brother Mitchell that I’d baked Elvis’s Presley’s Favorite Pound Cake, he sang, “You ate nothin’ but a pound cake.” Not just any pound cake, but the King of Pound Cakes. Moist and tender, this golden cake owes its richness and height to heavy cream, butter and lots of eggs. Cake flour makes it light and silky. Of course, you would guess that Elvis’s cake would be over-the-top luxurious. You can’t help falling in love with it. This hint-of-lemon adaptation comes from Leah Greenwald, Recipephany’s Celebrity Cake Consultant and baking inspiration. She compared this to Sara Lee’s packaged pound cake—a favorite in my household when I was growing up. “It has…