Mediterranean Tuna Bites

1 teaspoon Dijon mustard

2 teaspoons lime juice

1 teaspoon lime zest

½ teaspoon sugar

2 tablespoons olive oil

Salt and ground black pepper

1 (5 ounce) can solid white albacore tuna in water, drained and chunked

2 tablespoons chopped Roma tomatoes

1 ½ tablespoons chopped red onion

1 tablespoon peeled, seeded, and chopped cucumber

1 tablespoon chopped fresh parsley

1 teaspoon capers, drained (Optional)

8 Original Snack Factory® Pretzel Crisps®

8 slices pitted kalamata olives

Crumbled feta cheese