Tuna Salmon Rosette With Cucumber Salad And Citrus Oil

• 4 tomatoes seeded (plum)
• 2 cucumbers (peeled)
• 1 lemon zest from
• 1 lime
• 1 clove garlic (chopped)
• 1 shallot (chopped)
• 1 sushi quality tuna (sliced thin)
• 290 gr salmon (sliced thin)
• 220 gr grapeseed
• 120 ml lime juice