Summer Squash Salad without dressing seasoning

3 -5 tablespoons olive oil 2 garlic cloves , sliced 4 zucchini , sliced 4 summer squash, sliced 2 tablespoons balsamic vinegar 2 teaspoons fresh oregano ,[...]

2 small zucchini , ends trimmed 2 summer squash, ends trimmed 2 large carrots , peeled and ends trimmed (1/2 lb) 24 large basil leaves , cut in julienne 3[...]