- Marinate all vegetables in oregano, water, granulated garlic, 2-sprig rosemary chopped, balsamic vinegar & ½ t pepper for 15 minutes. 
- Grill squash, zucchini, eggplant until tender, let cool. 
- Roast portobellos in oven for 8 minutes at 350 degrees, let cool. 
- When cool, slice portobello horizontally.  Add in layers the 2 peppers, eggplant, zucchini & yellow squash. 
- Keep cold until ready to serve. 
- Heat in a 350-degree oven until hot throughout.