Melt ½ cup butter. Add the following ingredients, one at a time, stirring after each addition, cocoa, ½ cup confectioners, egg, 2 teaspoon vanilla, cracker crumbs, and pecans. Stir until mixture is well blended., then press into a 13x9” baking pan.
Melt ¼ cup butter. Combine cornstarch and 2 teaspoon sugar, add to butter and blend thoroughly. Add cream, cook, stirring constantly, until thick and smooth. Cool, add 1 teaspoon vanilla and 2 cup confectioners sugar. Blend well and spread over the first layer. Drop by teaspoonfuls and spread carefully as this is a thick mixture.
Melt chocolate bar over hot water, spread it over the cream filling. Cool at room temperature and cut in small squares before chocolate sets completely.