9 garlic cloves, divided
1/2 cup fresh parsley leaves
1/4 cup fresh mint leaves
1/2 tsp. salt
3 TBSP. extra virgin olive oil
1/2 bunch fresh parsley
3 lemons, sliced
6 tuna fillets
Garnish: lemon slices
Process 3 garlic cloves, 1/2 cup of the parsley, 1/4 cup of the mint leaves and the 1/2 tsp. salt in a food processor until smooth, stopping to scrape down sides as needed.
Smash remaining 6 garlic cloves, using the flat side of a knife.
Pour water to a depth of 2 1/2 inches into a large skillet over medium-high heat.
Add the smashed garlic, 1/2 bunch fresh parsley and the lemon slices; bring to a boil.
Add the tuna fillets; return liquid to a boil, reduce heat to low and simmer 7 to 10 minutes or until fish flakes with a fork. Remove from skillet; discard liquid in skillet.
Serve with garlic-parsley mixture. Garnish with lemon slices.