What Those White Bits in Spam Actually Are

dispersed inside a sealed, heat-processed product. Because the ingredients are thoroughly mixed together before cooking, the natural fat is spread all the way through the meat block.

“Fat vs. Mold: How to Tell the Difference”
It is completely natural to worry when you see something unexpected in your food. However, distinguishing between harmless fat and actual spoilage is straightforward when you know what to look for. You do not need to be an expert to tell them apart.

Normal fat will:

Feel smooth, firm, and integrated into the meat’s texture