Sweet, crunchy, and buttery, these Mini Walnut Tarts are made with only a few ingredients you probably already have! These cookies are a staple over the holidays and perfect to add to a cookie tin!
Lower the speed and add the flour to the bowl. Mix on low speed until combined, about 2 minutes. At first the dough will look crumbly, but then it will come together.
Press the dough ball into each of the muffin tin cups, evenly spreading out the dough on each cups. Make sure to get the dough up the sides of each of the mini muffin cups.