• 1/2 (15 oz.) can mackerel fillets, drained
• 1 clove garlic, crushed
• 2 Tbs. tomato paste
• 1 1/2 Tbs. olive oil
• 1 Tbs. chopped fresh basil
• 1 tsp. salt
• 1 tsp. freshly ground black pepper
• 1/2 lb. roma (plum) tomatoes, chopped
• 1/2 cucumber, peeled and diced
• 1 small onion, chopped
• 1 head soft lettuce (Boston, Bibb or mixed baby greens)

Place mackerel in a mixing bowl, and break into small chunks. Mix in garlic, tomato paste, and oil. Season with basil and salt and pepper. Stir in tomatoes, cucumber, and onion. Serve mixture on a bed of lettuce leaves.