MOIST CHOCOLATE CRINKLES negosyo recipe

500 grams all purpose flour
400 grams light brown sugar
3/4 cup evaporated milk
60 grams hershey's cocoa
1/2 cup oil
1 pc. Large size egg
1/2 tsp. Salt
1.5 tsp. Baking soda
3.5 tsp. Baking powder
Few drops of Vanilla extract
1 cup of powdered sugar