Yep, you read it right.
The giveaway follows the nationwide release of two new Big Mac sandwiches: the Mac Jr. and Grand Mac. According to the fast-food chain, the new burgers will be sold through March 20.
Bottles of the Big Mac Special Sauce will be available at participating restaurants across the U.S. and on McDonald's social channels.
Additional details on how to get a free bottle will be released Wednesday.