The key to the best homemade mashed potatoes is not in the butter, milk, or seasonings. It's all about the potatoes you choose and the way you mash them. Russet potatoes are starchy with a somewhat dry flesh, making them an excellent choice for mashed potatoes. Waxy, low starch potatoes-like the red-skinned varieties and new potatoes-can make delicious mashed potatoes but take care not to over-mix, or they could become gummy. A potato ricer is not essential, but it will ensure smooth, lump-free mashed potatoes. But don't fear Perfect, creamy mashed potatoes are possible with this recipe and helpful tips. If you're looking for something a little different or lighter, take a look at the tips and variations below the recipe.