Pour about half a cup of baking soda in the sink and drain it with vinegar. Let it sit for about 20 minutes, then rinse it with hot water. Then, throw in adequate quantity of ice cubes so that it covers the bottom part of the sink. Put a handful of salt over it and stir it vigorously with a rolling pin or a spatula. The ice will help clear the food off the sink while the salt scrubs the sides.
Garbage disposal is an important task that has to be done daily. For good measure, grind a few lemon peels and place it near the garbage can for freshness. Make sure the can is shut at all times and kept at an accessible place.
You can clean the station once a week. Pour a cup of vinegar in three cups of hot water and clean the station with a wiper or a cloth. It will scrub away the stickiness and eliminate all the unwanted smell.