• All ingredients ready? Let's begin!
  
• Preheat the oven to 400 degrees F.
• Wash the salmon and pat dry.
  
• Drizzle some olive oil on the salmon and then season each filet with a mixture of paprika, garlic powder, salt and pepper.
  
• Place the seasoned salmon in aluminum foil and seal it by pinching the edges together.
  
• Place it in the oven and bake for 20 minutes.
  
• Once the salmon is cooked, take it out of the foil, the baked salmon will be very delicate and soft.

Assembling the sandwich:

• Take one flatbread and open it out. On one half of the flatbread spread a tablespoon of pesto and on the other half of it, slather it with a tablespoon of mayonnaise. Put a generous helping of arugula.
  
• Place a filet of salmon on top.
  
• Top with the thinly, sliced avocadoes.
  
• Fold the flatbread and grill it in a panini press.
  
• Repeat with all the flatbreads.
• You can enjoy this sandwich warm or at room temperature.