Preheat the oven to 160 degrees Celsius (320 F).
Brush the bottom of the silicone molds with oil.
Sift the flour and cocoa into a medium bowl, and add the rest of the dry ingredients: baking powder, baking soda, sugar, and salt. Mix with a whisk and set aside.
Mix water, oil, applesauce, vanilla extract, and butter-flavored extract in a separate bowl.
Mix the milk and vinegar in a small bowl and add to the wet ingredients bowl.
Gradually add the dry ingredients to the wet mixture while mixing until combined.
Place the silicone molds on a baking tray to make it easier to put them in the oven.
Divide the batter equally into the three molds, about a cup of batter per mold
Put in the oven and bake for 15-17 minutes or until a toothpick or a wooden skewer comes out completely clean. Remove from the oven, place the molds with the baking tray below on a wire rack and allow the cakes to cool completely.