For the quick-pickled snap peas:
- 1/2 pound sugar snap peas, halved lengthwise and roughly chopped
- 3 Tablespoons white wine vinegar
- 1 teaspoon granulated sugar
- 1 teaspoon kosher salt
- 1/2 teaspoon ground coriander, optional
For the salmon:
- 1 pound skinless salmon fillets, cut into 1-inch cubes
- 1 Tablespoon olive oil, plus more for cooking
- 2 teaspoons brown sugar
- 2 teaspoons ancho chile powder
- 1 teaspoon chipotle chile powder
- 1 teaspoon smoked paprika
- 1/2 teaspoon ground cumin
- 1/2 teaspoon garlic powder
- Kosher salt and black pepper
For the tostadas:
- 6–8 tostada shells
- Guacamole
- Cotija cheese
- Chopped cilantro
- Lime wedges