Inverted Spiced Pear Pie

We’re en route to Williamsburg, where we’ll taste this pie with friends.  It’s butter, sugar and spices with pears on top with pecans, then sautéed to caramelize, then cooled and covered and tucked with pie crust dough, then baked at 425F until the pie crust is done. Easy enough…But then flipping over the cooled but …