Marinated Summer Vegetables

INGREDIENTS

• 3 summer squash or zucchini (about 1 pound), sliced on a diagonal 1/2-inch thick
• 3 red, orange, or yellow bell peppers, cut into 1 inch strips
• 4 extra-virgin olive oil, divided
• Kosher salt, freshly ground pepper
• 2 garlic cloves
• 2 Sherry or red wine vinegar
• 4 sprigs oregano