Preliminary investigations suggest that peanut butter and peanut paste manufactured by Peanut Corp. to be used in products like cookies, crackers and ice cream is the probable source of illness.

CNN: Kellogg to recall products over salmonella concerns

In February, Kroger was among retailers that recalled peanut products tied to the Peanut Corporation of America, a Virginia-based company accused by the FDA of knowingly selling peanut butter and peanut paste that was contaminated with salmonella.

CNN: California plant recalls 1 million pounds of pistachio products

They then place the kernels between two rocks, grinding them into a brown, peanut butter-like paste.

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