1Preheat oven to 3375^. Spray a large cookie sheet with non stick cooking spray or line with parchment paper.
2In a medium bowl, add flour,cocoa, baking powder,soda,1/4 tsp.salt and cinnamon. mix well.
3In another bowl beat sugar,butter, oil and molasses with electric mixer until thick and creamy. Add egg and vanilla beat until blended. At low speed beat in flour mixture until just blended, stopping to scrape down the sides of bowl.
4Pinch off pieces of dough and roll between your palms into 1" balls. Place 1" apart on cookie sheet. Flour your thumb and press it into center of each ball. Fill with jam.
5Bake cookies for 10-12 minutes. Let cool on baking sheet 3 minutes, then transfer to wire rack to cool completely. Dust with confectioners' sugar.
Makes about 3 1/2 dozen.