These nutty, shortbread-like cookies are a holiday tradition in our family -- my mom has been making these for the past 20 years and I've picked up from her. I don't know where the recipe came from, but I'm posting it for all to enjoy. A couple of tips: 1) refrigerating the dough is an absolute must. Be sure to wrap it tightly in wax paper and plastic wrap so it doesn't dry out, 2) the cooking time is an estimate so you'll need to experiment with your oven, but the key is that the cookies should look almost uncooked on the top, but slightly golden brown around the edges, 3) the butter and margarine need to be at room temperature but DO NOT microwave in an attempt to speed up the process, 4) the prep time DOES NOT include the refrigeration time and 5) be sure to remove the cookies from the pan at the 10 minute mark otherwise they are likely to stick to the pan. Enjoy!