1. Mix the oil, vinegar, lemon juice, garlic, parsley, and pepper. Brush squash and eggplant slices with this mixture.
2. Place the vegetables on a baking sheet and broil on high, turning once, until tender and browning (2-3 minutes per side).
3. Preheat the oven to 350 degrees F.
4. Create two layers each of squash, eggplant, basil, chicken, and tomato sauce in an 8"x8" baking dish. Bake until heated through (20-30 minutes).