Instructions:
Heat oven to 450°F
Fold four 15-inch-square pieces of parchment in half
Starting at fold of each piece, draw half a large heart shape, cut along lines; open
Place 1 fish fillet next to crease on each piece of parchment
In a small skillet, warm 1 tablespoon oil over medium heat; sauté sliced garlic and pepper flakes until garlic turns golden (1 minute)
Remove skillet from heat; stir in tomatoes, capers and olives
Sprinkle fish with salt and pepper
Divide tomato mixture among fish
Top each fillet with 2 teaspoon wine, 1 teaspoon butter and 2 thyme sprigs
10. Fold other half of parchment over fish. Starting at top of each parchment half-heart, make small, tight, overlapping folds along outside edge to seal packet; twist tail ends tightly to seal completely
11. Place packets on a large rimmed baking sheet; roast 8 minutes
12. Broil or toast Ciabatta until golden; rub with garlic clove halves and brush with remaining 4 teaspoon oil
13. Transfer packets to plates; slit tops with a knife; gently open
14. Serve 1 slice Ciabatta with each packet