Last year, recognizing that prepared foods were a big hit and lucrative, the chain introduced a line of pizza pockets and doughnut holes.

FORBES: Inconvenience

And doughnut shops like Dunkin' Donuts have fed the masses with doughnut holes rebranded as "Munchkins" (or Timbits, if you're a patron of Tim Hortons).

CNN: Fast food treat is shrinking

The old-school breakfast joint sprang up in Route 66's heyday, and waitresses still deliver thick-cut French toast and plate-defying omelettes - along with free doughnut holes and Milk Duds - near the fabled road's starting point.

BBC: A perfect day in Chicago

Customers also have suggested other ideas for the Griffins to pursue, including a "spainer, " a spoon with holes to eat cereal without milk, and a doughnut pizza pan, to increase the crust-to-toppings ratio on pizza.

WSJ: Those With Specific Tastes Play Favorites With Food