DIRECTIONS
Preheat oven to 425 degrees.
Grate 1 tsp. rind from lemon; cut lemon in half, and squeeze 1 tsp. juice from 1 lemon over bowl. Reserve remaining lemon half.
Add rind and butter to juice; set aside.
Cut 2 medium rectangles of foil.
Spray 1 sheet with cooking spray; place fish in center of sheet.
Sprinkle with salt, pepper, and thyme.
Top fish evenly with butter mixture.
Cut remaining lemon half into 8 thin slices; layer over fish.
Cover fish with other sheet of foil; fold edges to form a tight seal.
Place packets on a baking sheet.
Bake 15 to 17 minutes.
Serves 4.