Marinate partially frozen salmon filet in yellow mustard, chopped capers, garlic, lemon juice, and lemon slices until defrosted or overnight in fridge. Bring salmon to room temperature and rinse off marinade and dry before cooking.
Start rice before salmon. Cook salmon on medium-high heat until desired doneness.
Serve salmon with cucumbers and rice.
There are 531 calories in 1 serving of Almost Sushi Salmon.