Slow Cooker Au Gratin Potatoes

Slow Cooker Au Gratin PotatoesBy thehappierhomemaker.comSlow Cooker Au Gratin Potatoes made with gouda cheese-this is comfort food to the extreme, and such an easy recipe using the crock pot!Prep time: 00:10 Cook time: 00:240 Total time: 00:250 Yield: 6 ServingsIngredients:4 large potatoes, cut in thin slices1 medium yellow onion, dicedpinch each salt and pepper4 tablespoons butter3 tablespoons