
Warm the tostada shells on a sheet pan at 350°F for 3 minutes for extra crunch. Drain the tuna well and flake into a bowl.
Add finely diced tomato, onion, cucumber and chopped cilantro, plus lime juice, mayo and salt; stir to combine.
Spread tuna salad onto tostada shells.
Top with sliced avocado and a squeeze of lime. Add hot sauce at the table. A no-cook dinner for hot nights.
Photo: DinnerDrop