Preheat oven to 375 degrees. In large sauté pan, heat 2 tablespoons of oil to medium. Lightly sauté the onions, peppers, yam, and eggplant.
When softened, add half of the garlic and cook a few minutes longer.
Season to taste with half of the herbs, salt, and pepper.
Place sautéed vegetables in baking dish. On top arrange the sliced zucchini and tomatoes in overlapping rows so that you see stripes of white-green, red, white-green, red, etc.
Sprinkle the top with salt, pepper, the remaining herbs, garlic, parsley, and drizzle with remaining olive oil.
Bake for 30–40 minutes, until top is slightly browned.
Garnish with parsley.
Serve.