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1.
The greatest food ever tasted by mortals. Essentially spreadable bacon.

It can make any meal no matter how bad into the main course. It is even Kosher certified.
Baconnaise + bacon + bacon bits = the world peace.
by nuclear powered superman June 18, 2009
 
2.
A delicious product made by the same people who brought you "bacon Salt," a product that is cosher, non fat, and vegan, thats right, vegan, bacon flavored salt.
"Baconnaise" as such, is bacon flavored mayonnaise. Delicious and wonderful, everything should taste like bacon!
baconnaise "Put some mothafukin baconnaise on that!"
by Osama been laughin March 29, 2009