Stir together baking mix, sugar, milk, and molasses until a soft dough forms; turn out onto a lightly floured surface, and knead 3 to 4 times.
Pat dough to a 1/4-inch thickness, and cut with a 2 3/4-inch round biscuit cutter. Place on a lightly greased baking sheet.
Combine walnuts and next 4 ingredients; pat onto biscuit tops.
Bake at 375° for 12 minutes or until lightly browned. Cool.
Split shortcakes in half. Layer half of biscuit halves with Sautéed Pears and whipped cream; top with remaining biscuit halves.