1/4 cup olive oil, plus more as needed
1 1/2 cups small diced yellow onion
1 teaspoon minced garlic
2 cups medium diced eggplant, skin on
1/2 teaspoon fresh thyme leaves
1 cup diced green bell peppers
1 cup diced red bell peppers
1 cup diced zucchini squash
1 cup diced yellow squash
1 1/2 cups peeled, seeded and chopped tomatoes
1 tablespoon thinly sliced fresh basil leaves
1 tablespoon chopped fresh parsley leaves
Salt and freshly ground black pepper