California Walnut Larb Lettuce Wraps

Ingredients

• 1/4 cup fresh lime juice
• 1 1/2 tablespoons fish sauce (or vegetarian substitute)
• 1 1/2 tablespoons packed brown sugar
• 1 Thai chili, thinly sliced
• 2 1/2 cups California walnuts
• 1 (15.5-oz.) can chickpeas, rinsed and drained
• 1/2 cup chopped shallots
• 1/4 cup grapeseed or canola oil, divided
• 2 tablespoons minced lemongrass
• 4 teaspoons fish sauce (or vegetarian substitute)
• 1 tablespoon minced ginger
• 2 cloves garlic, minced
• 2 kaffir lime leaves, thinly sliced
• 1 to 2 Thai chilis, thinly sliced
• 2 scallions, thinly sliced
• 16 iceberg lettuce leaves or other leafy lettuce
• 4 radishes, thinly sliced
• 2 Persian cucumbers, thinly sliced
• Mint and cilantro leaves and tender stems
• 8 lime wedges