How do you know if an apple pie is going bad?

- Smell: If the pie has a sour or off odor, it is likely spoiled.

- Taste: If the pie tastes sour or has an off flavor, it is best to discard it.

- Appearance: Look for signs of spoilage such as mold, discoloration, or a crust that has become soggy or tough.

- Texture: If the pie filling has become watery or the crust has become crumbly or soggy, it is likely spoiled.

- Best-by date: Check the best-by date on the pie packaging. If the date has passed, it is best to discard the pie.

- Storage conditions: If the pie has been stored at room temperature for more than two hours or refrigerated for more than four days, it should be discarded.

- Freezing: Apple pie can be frozen for up to 2 months. Thaw in the refrigerator overnight or at room temperature for several hours before serving.