It's no surprise that Pillsbury products are a staple in the baking aisle, considering that the company has been around since 1869, and was the first to ever sell chocolate cake mix. Through the ...

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.