(Oven): Thaw completely in fridge. Heat oven to 400F/205C. Line rimmed baking sheet with parchment paper or coat with non-stick spray. Cut log crosswise into 16 pieces, approx. 1/2 in/1.3 cm each. Arrange rounds on baking sheet, spacing 1 in/2.5 cm apart. Bake in center of oven, approx. 13-15 min. OR until lightly golden. Transfer to a rack to cool. Serve warm or at room temp. In a hurry? Defrost log at room temp. about 10 min, until soft enough to slice. Bake as directed above.
Puff pastry, feta cheese, lemon juice, capers, garlic powder, basil, oregano, thyme