For extra heat, leave the seeds in the jalapeño or increase the amount of Tabasco sauce.
You can substitute regular mayonnaise for light mayonnaise if you prefer a richer texture.
Leftover tuna salad can be stored in an airtight container in the refrigerator for up to 2 days. Do not store the assembled sandwich as the pita will become soggy.
For a gluten-free option, serve the tuna salad in large lettuce cups instead of pita bread.
Add diced avocado or black beans for extra texture and nutrition.