Baked Fish en Papillote with Summer Vegetables

Ingredients

• 4 4-ounce fillets of fish (cod, halibut, salmon, snapper, sea bass, etc.)
• 1 1/2 cups summer squash, sliced
• 2 cups green, red and yellow bell peppers, sliced
• 1/2 red onion, sliced
• 3 cloves garlic, finely chopped
• 4 tablespoons extra-virgin olive oil
• 1/4 teaspoon fine sea salt
• 4 sprigs fresh herbs, such as oregano, thyme, rosemary or basil
• Juice of 1 lemon
• 1/4 teaspoon ground black pepper