The fastest way to cook eggplant is to grill it — about 4 min. The slowest is roast (whole) at 32–45 min.
How long does the fastest method take for eggplant?
Grill: 4–5 min/side at Medium-High. ½″ slices. Oil both sides.
Is there a trade-off between speed and quality for eggplant?
Faster methods like grill give quick results, while slower methods like roast (whole) (32–45 min) often develop deeper flavor and more tender texture. Choose based on your time and the result you want.