Linguine with Avocado and Arugula Pesto

INGREDIENTS

• 1 pound linguine pasta
• 2 cloves garlic, peeled and smashed
• 1/2 teaspoon freshly ground black pepper
• 1 teaspoon kosher salt
• 3 tablespoons fresh lime juice (from 2 large limes)
• 3 cups baby arugula leaves (3 ounces)
• 1 cup grated Parmesan (4 ounces)
• 1/2 cup sliced almonds, toasted (see Cook's Note)
• 1 packed cup fresh basil leaves
• 2 medium avocados, halved, peeled, and seeded (about 12 ounces total)