Tuna Steak Burgers with Dill Coleslaw

1. Combine dill, a pinch of salt, and 1 tablespoon of lemon juice, and mull into a rough paste.

2. Combine egg yolks, mustard paste, sugar, and 2 tablespoons of lemon juice. Pulse in a blender while slowly adding cooking oil to emulsify.

3. Mix the dill paste into the mayo, whisk, and refrigerate.

4. Combine cabbage, onion, dill, a pinch of salt, black pepper, and dill mayo for the coleslaw. Chill until ready to serve.

5. Season the tuna steak with olive oil and steak seasoning. Grill on a preheated pan for 3-4 minutes on each side.

6. Assemble the burgers with buns, dill mayo, grilled tuna, coleslaw, tomatoes, lettuce, and tomato pesto.