Marinated Tuna

Directions

1. 1
   In a glass baking dish or a wide, shallow, nonreactive bowl, mix together olive brine and lemon juice.
2. 2
   Gently toss in tuna slices and olive slivers.
3. 3
   Cover and refrigerate for 2 hours, occasionally moving tuna slices around gently in marinade to ensure that slices cure evenly.
4. 4
   Just before serving, strain the tuna slices from marinade.
5. 5
   Divide tuna between 4 to 6 appetizer plates.
6. 6
   Spoon a little marinade (with olive slivers) over the tuna.
7. 7
   Grind black pepper, to taste, over each serving.
8. 8
   Garnish with fennel and lemon zest, and serve immediately.