Tuna Salad without Mayo

Ingredients (for 2 servings)

• 0.25 cup — tahini
• 2 tbsp — lemon juice
• 1 tbsp — Dijon mustard
• 0.5 tsp — fine sea salt
• 0.25 tsp — black pepper
• 1 whole — garlic clove
• 1 whole — celery rib
• 2 whole — green onions
• 0.25 cup — pickle slices
• 10 oz — canned tuna