Eat and Drink Denny's in Brooklyn is giving away free breakfast Denny's famous Grand Slam breakfast comes with eggs, pancakes, sausages and bacon. Photo Credit: Denny's By GEORGIA KRAL May 7, 2015 3:45 PM Print Share fbShare Tweet gShare Email The first Denny's in Brooklyn is doing something special on May 13. The first 100 guests get a free Grand Slam breakfast! Head to 805 Pennsylvania Ave. before the opening at 9 a.m. if you want the free breakfast. We predict a line. By GEORGIA KRAL Share on Facebook Share on Twitter Comments Comments section is temporarily on hold. Here’s why.