Tuna Mousse, Lemon & Oregano

Boil tuna 20 min, skimming as necessary. Flake into food processor. Add remaining ingredients and process until smooth. Chill until set. Unmold. Serve at room temp. Can be made 3 days ahead.

Fish, Tuna 1lb fresh
Olive Oil 7T
Butter 10T unsalted, softened
Lemon Zest 2.5 lemons, grated
Lemon Juice, Fresh 5T
Oregano 1.5tsp dried
Garlic 2.5 cloves minced
Gelatin 1 envelope