by Maxine Troxell With the cooler weather on the way, this casserole will help warm you up. Who doesn’t like casseroles made with vitamin- and potassium-rich potatoes? I hope you enjoy this one! Ruth Chris AuGratin Potato Casserole Ingredients 6 tablespoons salted butter 4 garlic cloves, peeled & minced 1 cup vegetable broth 1½ pounds…