How You Know You Are Eating and the Type of Receptors

Imagine that you take a huge bite and taste the satisfying garlic shrimp in your mouth. Describe how you know you are eating.

To answer this question, describe how you know you are eating and tasting garlic shrimp versus rotten apples. What sense is being used? Is it a general sense or a special sense? Describe what type of receptors are used; how is the sensory information transmitted to the brain? Please be as specific as possible.