Lazy Summer Tian Recipe - Los Angeles Times

Ingredients

• 2 tablespoons everyday olive oil, plus more for drizzling
• 1 large white onion, finely chopped
• Kosher salt and freshly ground black pepper
• 1 serrano chile (optional), stemmed and minced
• 1 ear of corn, shucked
• 2 tablespoons unsalted butter
• 1 1/4 pounds medium Yukon Gold potatoes
• 1 green zucchini (about 7 ounces), rinsed clean
• 1 yellow zucchini or summer squash (about 7 ounces), rinsed clean
• 2 garlic cloves, left whole
• 10 ounces cherry or grape tomatoes, halved
• 1/3 cup rosé or white wine
• 1/2 cup homemade breadcrumbs (from about 2 ounces leftover crusty bread; see note)