Editor's note: Last week, contributing writer Olivia Regard told readers how to turn all those fall pecans into a Pecan Pie Upside Down Cake, and Satsuma Squares with Pecan Shortbread Crust.
But the Tunnel of Fudge, which won Mrs. C.J. Helfrich of Houston second prize in the Pillsbury Bake-Off in 1966, seems to have introduced the concept of a soft-centered chocolate cake to the world.