Ingredients

8 6" corn tortillas

Canola oil or cooking spray

3 ripe avocados, diced

1 small shallot, minced

7 tbsp. lime juice, divided

3 tbsp. freshly chopped cilantro

kosher salt

2 tsp. cumin

1/2 tsp. cayenne

1/4 c. extra-virgin olive oil, divided

24 medium shrimp, peeled and deveined

Freshly ground black pepper

1/4 c. finely shredded red cabbage

3/4 c. finely shredded carrots (1 large carrot)

Cilantro leaves, for serving

Lime wedges, for serving

Preparation

Step 1Preheat oven to 400°.Step 2Spray 2 baking sheets with canola oil spray and arrange 4 tortillas on each. Spray tortillas with more oil, then bake until golden brown and crisp, about 8 minutes.Step 3In a medium bowl, mash together avocados, shallot, 3 tablespoons lime juice, and cilantro, and season with salt.Step 4In a large bowl, whisk together cumin, cayenne, 2 tablespoons lime juice, and 2 tablespoons olive oil. Add shrimp and toss lightly to coat, then season generously with salt and pepper.Step 5Grill shrimp over medium-high heat for 3 minutes per side, or until bright pink and cooked through.Step 6In a small bowl, toss cabbage and carrot with remaining 2 tablespoons lime juice and 2 tablespoons olive oil. Season with salt and pepper.Step 7Arrange tostadas on a flat work surface and spread with guacamole. Top with shrimp, slaw, and cilantro leaves and serve with lime.