And by “innovate,” we mean get absolutely bonkers with off-the-wall excess.

Here are 11 restaurant chains with the most over-the-top sandwiches.

Primanti Brothers

Once upon a time, someone in Pittsburgh decided their sandwich was missing something.

Happy,Young,Blonde,Woman,Holding,A,Big,Sandwich

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It wasn’t good enough to have their grilled meat-and-cheese sandwich with a side of fries.

No, they needed to have their sandwich with french fries pressed right in the middle.

The quality is there, sure, but that shouldn’t suggest thisrebounding sandwich chainshies away from excess.

Primanti Brothers Almost Famous Sandwich

Primanti Brothers

Call Your Mother

Delis are fitting locales for a bit of decadence.

It also dabbled in wild game, with ill-conceivedvenison sandwichesandduck sandwiches.

Or asliced rib-eye sandwichtopped with crispy onions, Swiss cheese, and garlic aioli.

Potbelly A Wreck Sandwich

Potbelly

If there’s one restaurant chain sandwich that typifies the notion of over-the-top, it’s this one.

But, the Double Down isn’t KFC’s only foray into excess.

But over the years, the juggernaut brand has frequently crossed the line intoheinous territory.

Call Your Mother Deli

Call Your Mother Deli

And who can forget the storiedMcRib Sandwich, a thing of mystery meat folklore.

Such wildness includes breakfast nachos, pumpkin pie pancakes, and cinnamon rolls made with croissant pastry dough.

And it only gets wilder from there.

Arby’s Half Pound Roast Beef

Arby’s

Jason’s Deli Muffaletta

Jason’s Deli

KFC double down sandwich

KFC

Mcdonalds mcrib

McDonald’s

Pimento cheese at Chicken Salad Chick

Chicken Salad Chick/Facebook

Wild Eggs Lexington Hot Brown sandwich

Wild Eggs Lexington

Hunny Bunny Biscuit Co Cannonball Biscuit Sandwich

Hunny Bunny Biscuit Co/Facebok

Duck Donuts Maple Drizzle, Chopped Bacon, Sausage, Egg & Cheese Breakfast Sandwich

Duck Donuts