Sauteed Vegetables in EVOO, seasoned with garlic, salt, and pepper. Finish with a little butter and fresh thyme for a Delicious Easy Healthy Recipe in a Pita. Mixing Zucchini, Yellow Squash, Red Onions, and Red Bell Peppers is one of my all time go to veggie mixes and one of my favorite sandwiches, especially for Summertime.