6 hours
Bake macaroni and cheese at 350°, uncovered in the center of the oven for about 45 to 50 minutes, or until macaroni and cheese is set.
About 2 days, max,
Brie cheese typically lasts for about 1 to 2 weeks in the fridge before it goes bad.
Feta cheese typically lasts for about 1 to 2 weeks in the fridge before it goes bad.
Macaroni salad with egg should be good for three to four days.
Grated parmesan cheese can last for about 3 to 4 weeks in the fridge before it goes bad.
3hr
Because of the cheese and sugar in this food bacteria will form after about a week, maybe less. You can refreeze cheese cake. It will last longer that way.
Week in the fridge but a lot longer in the freezer
Vegetable lasagna with cheese can keep for several months in the freezer. Once moved to the fridge, it usually goes bad within about 2 weeks.
6 weeks
Don't leave it more than 3 days in the fridge.