My grandma made great pierogies. I loved her blueberry version. I will make them some time, when the blueberries in my backyard are ripe. For now I am going for the potato/cheese/sour cream version. The idea for the recipe comes from Nagi . Now I don't need to feed many people. So I am cutting things down and changing the process. There are several components that come together at the end. Potato cheese mixture (part 1): Peel about 6 potatoes, cut them, and cook until done. When they are still fairly hot, put them through a potato ricer. (I got myself one a few years back, as I also like to make German potato dumplings, and for those I would need that.) Spread the potatoes on a flat board or plate and let it cool down. When they are room temperature, cover tight with cling wrap and into the fridge they go. I did that yesterday. The next day (part 2): Put the potatoes in a bowl, add some salt and pepper, 2 tbsp of melted butter, and some cheese. I used a mix of smoked gouda and par...