Preheat over to 375 F
Slice summer vegetables into thin even slices, thinner that 1/4 inches
Make the sauce by sauting diced onions, garlic, and peppers until soft about 10 minutes
Add salt and pepper to taste
Add crushed tomates
Stir until well mixed
Mix the prepared herbs together in olive oil
Arrange sliced vegetables in overlapping manner either circular or in rows depending on the pan used in lightly oiled baking dish
Cover with foil and bake for 40 minutes. Remove the foil and bake until vegetables are soft, about 15 -20 min.
Remove from over. Drizzle heated sauce over the top evenly then serve.