01 - Peel cucumber and finely dice. Pat pieces dry with paper towel to remove excess moisture.
02 - Combine Greek yogurt, diced cucumber, lime juice, olive oil, dill, lime zest, salt, and pepper in a medium bowl. Stir until well blended.
03 - Cover and refrigerate mixture for at least 30 minutes to allow flavors to develop.
04 - Preheat oven to 375°F. Slice whole wheat pitas into triangles, brush lightly with olive oil, and sprinkle with garlic powder and salt.
05 - Arrange pita triangles on baking sheet. Bake for 8–10 minutes, turning once, until golden and crisp.
06 - Transfer chilled dip to serving bowl and accompany with warm pita chips.