No, say food safety experts. Molds can easily penetrate deep into a soft food, like bread. But you can salvage other foods with tougher surfaces, like cabbages, carrots and hard cheeses.

Thousands of people are adding their name to petitions urging the government stop buying beef trimmings. But food safety officials say the trimmings are still safe to eat.

Is it ever safe to eat moldy bread? Unfortunately, the answer is a hard no. By the first hint of discoloration on any slice, your entire loaf is a goner. “Once mold forms, ...