Why Do Cats Make Biscuits. Cats often perform this motion — sometimes called kneading dough or making biscuits — on soft surfaces, including pillows, blankets, other animals and even people. For example, if a cat nudges your leg, they probably don't want you to pet them.
The cause of the vomiting may seem like a mystery at first, but there are several common reasons why this behavior happens. When adult cats do it, it's believed to be leftovers from that time in their lives because it seems that cats only do it when comfy, safe, and blissful. But most feline lovers are not aware as to what this really means or why cats even do this.
What does it mean when your cat is making biscuits when your cat is making biscuits, it means that they’re happy, just like when your cat is making muffins.
Instead, they're likely marking you with their scent glands. Kneading, or making biscuits, is done by kittens when nursing on their mama. Here are some of the more popular theories for why cats knead their owners and certain objects. Sometimes cats knead on a blanket, a pillow, or other soft object (we already mentioned your lap).