Ahi Poke Bowls

• 1/4 c. low-sodium soy sauce
• 2 tsp. rice vinegar
• 2 tsp. sesame oil
• 1 tsp. freshly grated ginger
• Pinch of crushed red pepper flakes
• 2 green onions thinly sliced, plus more for garnish
• 1 tsp. toasted sesame seeds plus more for garnish
• 1 lb. sushi-grade ahi tuna cut into bite-size pieces

FOR SERVING

• Cooked white or brown rice
• Sliced avocado
• Sliced cucumber
• Edamame
• Shredded carrots
• Sliced radish