The raw material for making fat beef slices is beef. Under normal circumstances, the fat beef slices purchased through formal channels are all pure beef. However, some unscrupulous merchants will combine other meat products and sell them as fat beef slices. Fake beef slices will taste terrible, and most of them will be loose when cooked.
system of selection
You can smell the meat before you buy it. If it smells fishy, it is fresh. If you smell something else, it means you can't buy this kind of meat.
Touch the fat cow again. If the meat is fresh, it feels more elastic. Pressing with your fingers will quickly restore your original appearance. If it takes a long time to recover after pressing, it means that such a fat cow is spoiled.