McDonald's has started selling an even bigger burger — the 14-ounce Big Arch

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• McDonald's CEO said the company has launched trials of a bigger, "more satiating" burger in Canada and Portugal.
• The Big Arch contains two beef patties, three slices of cheese, and a new Big Arch sauce.
• The burger weighs in at 14 ounces and contains 1,065 calories

McDonald's has launched trials of a bigger, "more satiating" burger in Canada and Portugal.

It's also revealed the name of the product, which executives have been teasing since last year — the Big Arch.