Place cucumbers in strainer, set in sink, toss with 1 tablespoon salt. Press kitchen towel on cucumbers, drain at least 1 hour or up to 3 hours.
2
To make sauce, combine 2 tablespoons vinegar, 1 tablespoon lime juice, soy sauce, tahini, 1 tablespoon of oil, garlic, ginger and 1 tablespoon water in blender; puree until combined
3
Preheat pan with olive oil to medium high. Season both sides of salmon with salt, pepper, and sesame seeds. Place skin side down in pan, cook 3 minutes, or until skin shrinks and separates from flesh. Flip;cook 3 minutes until done.
4
Toss cucumbers with remaining 2 tablespoons vinegar, 1 tablespoon lime juice, 1 teaspoon oil, dash of Splenda to taste and sliced onions. Refrigerate until serving.
5
Divide spinach equally among four plates. Top each serving with salmon then cucumbers. Drizzle sauce over servings.