INGREDIENTS: 2 ½ oz. tuna 1 c. baby gem lettuce ¼ onion 2 tbsp. scallions 1 tbsp. sriracha 1 tsp. garlic 1 ½ tbsp. butter 2 tbsp. parsley ¼ c. sour cream 1 egg white (beaten) 1 tsp. lemon zest