Fish and Vegetables En Papillote (Fish in Parchment) - Olga's Flavor Factory

Ingredients

• 4 (6 oz each) boneless and skinless fish fillets (salmon, cod, swai, tilapia, haddock, snapper, etc.)
• 2 shallots or 1 small onion, thinly sliced
• 2-4 garlic cloves, minced
• 1 zucchini cut into thin matchsticks
• 1 carrot, grated or cut into thin matchsticks
• 1 celery stalk, cut into thin matchsticks or thinly sliced
• 1 small or 1/2 of a large bell pepper, cut into thin matchsticks
• 1-2 lemons (zest and juice)
• 4 Tablespoons olive oil, divided
• 1 Tablespoon fresh herbs, finely chopped
• salt, ground black pepper
• 4 Tablespoons butter, cut into 4 pieces