Crab Tacos

Ingredients

• 4 roma tomatoes, halved, seeded, and sliced
• 1 large garlic clove, minced
• 2 large jalapeno chiles, halved, seeded, and sliced, divided
• 1/2 cup fresh cilantro leaves, divided
• 3 tablespoons fresh lime juice
• kosher salt & freshly ground black pepper
• 1 teaspoon olive oil
• 1/2 cup chopped onion
• 8 ounces shelled cooked crab
• 8 taco shells (see Notes) or 8 tortillas (see Notes)
• 1 cup iceberg lettuce, thinly sliced
• 1 cup shredded monterey jack cheese or 1 cup cheddar cheese
• 1 avocado, thinly sliced
• 1/4 cup chopped green onion