Brush the flesh side of the trout filet with mustard, and then dip the flesh side into the almond flour.
Heat a pan over medium heat and add the avocado oil. Once it is heated, place the trout flesh side down and cook for 3 minutes, then flip and cook for 3 to 4 minutes until cooked through. Remove and set aside.
In the same pan, add the kale leaves and garlic and cook until just wilted. Season with lemon juice. Serve alongside the trout and season with sea salt. Enjoy!