This is one real homemade scoop. An Upper West Side woman went viral for attempting to make ice cream on her freezing cold fire escape — racking up over 800,000 views by Saturday. Fashion designer Colette Komm began filming the video — of her KitchenAid stand mixer churning alongside a thermometer on her frigid fire escape — at 8 in the morning on Friday, when it was a teeth-chattering 4 degrees outside. After an hour, she took the temperature of the custard base mixture — of cream, milk, egg