In a medium bowl, whisk together your coconut aminos, sesame oil, honey, garlic powder, and sea salt. This is your flavor foundation, so taste as you go. The marinade should taste savory, slightly sweet, with a hint of garlic. If you're using fresh minced garlic instead of powder, add it now.
Here's the professional move: before you add the salmon, set aside 1 tablespoon of this marinade in a separate small bowl. You'll drizzle this over the finished salmon bites for an extra punch of umami. This is what restaurant chefs do—reserve intensity for the top notes.
Now add your salmon cubes to the large marinade bowl and gently toss until every piece is coated. Don't be aggressive; you're not making a salad. Use a spoon or spatula and fold everything together 5-6 times. Let the salmon sit for exactly 3 minutes—long enough to absorb the flavors, not so long that the acid begins breaking down the delicate protein structure.