Add tilapia to a food processor and pulse until chopped. Transfer to a bowl and add egg, panko, garlic, mustard, salt, pepper, paprika, onion powder and basil. Mix until combined, then form tilapia into patties (form tightly with your hands, trying to prevent cracking). Heat a skillet oven medium heat and add half of the olive oil, then cook patties until golden on each side, about 3-4 minutes. Repeat with remaining burgers.
While burgers are cooking, combine watermelon, onion, jalapeno, cilantro and lime juice with a pinch of salt. Once burgers are ready, serve on toasted buns with avocado slices and salsa on top.
|