Tuna Burgers With Lemon Paprika Aioli

Name: Tuna Burgers With Lemon Paprika Aioli
Ingredients: 1/2 pound yellowfin tuna, finely chopped; 1 tablespoon hot Dijon mustard; 1 small shallot, minced; 1 garlic clove, minced; 1 tablespoon lemon juice; 1/2 teaspoon salt; 2 whole wheat burger buns, toasted; 1/4 cup lemon paprika aioli; 1 handful arugula; 1/3 cup mayonnaise; 2 tablespoons Dijon mustard; 2 tablespoons lemon juice; 1/2 tsp minced preserved lemon peel or lemon zest; 1 teaspoon hot smoked paprika; 1/4 teaspoon salt; dash cayenne pepper