The fire destroyed four generations' worth of family recipes.
A sedan had its front windshield smashed in and a small white shoe and a bicycle helmet were found about 100 feet away from the car.
The public will have one more chance to give their feedback during a meeting in Fair Lawn.
Mark Batista was a 15-year veteran of the FDNY and was assigned to Engine Company 226.
Officials say the circumstances are unclear, but the woman accused of slashing the victim was with her four-year-old at the time.