Fennel-Crusted Ahi Tuna with Lemon Aïoli Over Couscous Recipe | Epicurious

Ingredients

• 2 teaspoons fennel seeds
• 1 teaspoon coriander seeds
• 1 teaspoon whole black peppercorns
• 1 1/2 teaspoons kosher salt, divided
• 1/3 cup mayonnaise
• 2 tablespoons fresh lemon juice
• 3 tablespoons chopped fresh chives
• 4 garlic cloves, minced, divided
• 1/2 cup extra-virgin olive oil, divided
• 1 carrot, peeled, coarsely chopped
• 1/4 cup chopped red onion
• 2 teaspoons chopped fresh thyme
• 2 1/4 cups water
• 1/2 pound sugar snap peas
• 2 cups couscous
• 2 tablespoons chopped fresh dill
• 2 1/2 pounds ahi tuna steaks (about 1 1/4 inches thick)