1. Heat oven to 425˚.
2. Cut two 15 x 24-inch pieces of parchment paper. Fold in half crosswise like a book. Draw a half-heart on one side in pencil, with the fold of the paper along the center of the heart. Cut out the hearts and open. Place open hearts on baking sheet
3. In medium bowl, mix olives, capers, shallot, bell pepper, leeks, and garlic together. Dress with red wine vinegar and one tablespoon olive oil. Season with salt and pepper to taste, remembering that capers and olives add their own saltiness to the mixture.
4. Season both sides of each fish fillet with salt and pepper. Place one fillet near the fold of each parchment heart. Drizzle each fillet with one tablespoon each olive oil and sambuca. Place one fresh bay leaf on top of each fillet.
5. Top each fillet with mixed veggies evenly.
6. Fold heart-halves back together, crimping along the edge from top to bottom. When you reach the pointed end, twist it to shut the packet.
7. Bake for 13-15 minutes, until packet is slightly puffed. Remove from oven, place on plates, cut open tableside.