How to know when bread/cake is bad

I have recently opened a air tight package of castella. It, however, is expired by about a year and a half, but, other than being a little bit dry, it tastes fine. I have only tried a little bit. Is it safe to eat as long as there isn't mold, and does this apply to other breads/cakes?
Best Answer
The rule around here is when in doubt, throw it out.
That said, personally, I doubt there is any issue, especially if only healthy people are eating it. I've never heard of an age-related problem with cakes and breads other than mold which would be visible, or rancidity when the fats spoil from age which you can both smell and taste easily.
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How long does a bread cake last?
Cake Expiration DatePantryFridgeBakery Cake lasts for1-2 Days2-4 DaysCake with fresh fruit lasts for--1-2 DaysCake with whipped cream lasts for--1-2 DaysFruit Cake lasts for--3-25 Years*1 more row•Jul 15, 2015How do you know if your cake is spoiled?
Check Its Appearance The best way to know if a cake is still good is to perform a visual check. If you find mold on the cake, it is an obvious sign of spoilage. While you may want to scrape off the parts with mold, the USDA says moldy food can have invincible bacteria growing within it.Does bakery cake go bad?
Typically, a cake will only stay fresh for up to three or four days before the moisture is drawn out and the texture becomes drier. A cake can last in a fridge for a little bit longer if it has been frosted as the frosting keeps the moisture in the sponge.How long does a bakery cake last?
Refrigerating your cakes Kept in the fridge, cake with buttercream or ganache topping will last for 3-4 days. If the cake has custard, cream, cream cheese or fresh fruit it will last 1-2 days at most.Top 5 Cake Baking Mistakes! | Preppy Kitchen
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