Brock Lesnar — Rebounds From Stomach Illness … CRUSHES Italian Food

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Two years after UFC badass Brock Lesnar was forced to retire due to serious stomach issues, the Beast Incarnate proved his guts are still TOUGH AS HELL … by woofing down enough food to feed a small Italian village.

As you may recall, Brock was diagnosed with a severe case of diverticulitis back in 2009 — a digestive tract disease that usually forms in the large intestine — and after multiple surgeries, he was forced to retire in 2011.

But things are lookin” up … “cause our sources has learned Lesnar and his wife Sable hit up Fresco restaurant in Montclair, NJ on Monday … and Brock put his belly to the test.

Check out what he ate:

— Ahi tuna with asparagus (shared)
— Margherita pizza (shared)
— Chicken Parm … with TRIPLE-EXTRA chicken
— Full bowl of parpadelle bolognese

… and, to top things off, dude crushed a slice of cheesecake by himself.

We”re told the entire meal cost just north of $500 … PLUS, we”re told the WWE star left a “very generous” tip to everyone who stayed past closing time to take care of him.