Final answer:
The phrase provided is a metaphor, indicating that corn and stuffing pair as well as mashed potatoes and gravy, accentuating the perfect combination of these food items.
Step-by-step explanation:
Yes, the phrase 'The corn and stuffing went together like mashed potatoes and gravy' is an example of a metaphor. It compares two things that pair well together without using 'like' or 'as', which would instead form a simile. This metaphor suggests an excellent combination or pairing of foods that complement each other, implying that corn and stuffing are as perfect a match as mashed potatoes are with gravy, which is a classic pairing known for its harmonious taste.