Cut the eggplant, zucchini, tomato, and onion into bite-sized pieces.
Drizzle olive oil in a microwave-safe dish.
Layer the prepared vegetables in the dish.
Sprinkle with salt, black pepper, basil, and thyme.
Pour tomato sauce evenly over the vegetables.
Cover and microwave for 7-8 minutes.
Mix the finished ratatouille thoroughly and serve in a bowl.