* Crush Ritz Crackers to crumbs. +++++++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++ Preheat oven to 160ºC . Mix cracker crumbs and baking powder. Beat egg whites stiff, then very gradually add sugar, continiuing to beat. Add vanilla. Fold egg whites and crackers together. Put in a buttered 23 cm pie plate. Arrange pecans across top. Bake 30 minutes. Remove from oven, Sprinkle with shredded chocolate, then put under the broiler for a few seconds, watching closely so that the chocolate melts but does not scorch. Serve with ice cream or whipped cream.