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.

The term "bake-off" is trademarked in the United States by Pillsbury, the company behind cake mixes ... Read more: 11 Store-Bought Chocolate Cakes, Ranked Worst To Best You're probably familiar ...