This Make-Ahead Mashed Potato Casserole is a holiday miracle. Cooked in herbed half-and-half and topped with fried sage, you’ll swoon over the crispy-yet-creamy texture as much as all of the avoided last-minute stress. MAKE-AHEAD MASHED POTATO CASSEROLE I spend 150% of the holiday season stressed out because time management is not the strong suit of…
