1 Cooked bacon in strips lasts for around a week post-cooking, in the fridge. 2  If you freeze it, it will last up to 6 months. 3  Just cook it a bit less than you like it, so when you go to warm it up, it doesn't overcook.4  Bacon bits will last for about 6 weeks in the fridge, and 6 months in the freezer. Cooked bacon in strips lasts for around a week post-cooking, in the fridge. 2  If you freeze it, it will last up to 6 months. 3  Just cook it a bit less than you like it, so when you go to warm it up, it doesn't overcook.