Prep: 15 minutes; Cook: 15 minutes
1. Preheat oven to 400°.
2. Pat fillets dry with a paper towel; sprinkle evenly with salt and pepper.
3. Cut 4 (15-inch) squares of parchment paper. Fold each square in half; open each. Divide shallot evenly among squares, placing near fold; top each with 1 fillet and 1 tablespoon salsa. Divide artichoke hearts and lemon slices evenly over fillets. Fold paper; seal edges well with narrow folds. Place packets on a baking sheet. Bake at 400° for 15 minutes or until a thermometer registers 140° to 145° when inserted through the paper into the fish. Place 1 packet on each of 4 plates; cut open. Serve immediately.