Galletitas de Canela-- SABOR CASERO

-INGREDIENTS- 100 grams vegetable shortening (1/2 cup) 100 grams butter (1/2 cup) 120 grams sugar (1/2 cup) 1 egg 360 grams wheat flour (3 1/4 cups) 3 grams ground cinnamon (1 tbsp) 3 grams baking powder (1/2 tsp) Pinch of salt