Substitutions- You can substitute 2 TBSP of dried Fine Herbs or and Italian or Greek herb mix for the fresh herbs. Make certain your spice blend does to contain added salt.
Substitute crumbled goat cheese for feta for a slightly milder taste.
Can't tolerate bell peppers? Try adding zucchini instead. Chop into chunks and drain on paper towels for a few minutes before cooking.
You can also top this dish with freshly grated parmesan cheese.
Don't have sun-dried tomatoes on hand? Just double the amount of fresh tomatoes.