Trim beans of stems and toss with 1-2 tsp sesame oil in a bowl. Heat airfryer or oven to 400 degrees. Place beans in basket of airfryer and bake for 5-7 minutes, shaking basket to redistribute beans.
Oven Method: bake for 12-15 minutes.
Using the bowl you tossed the beans in oil, add 1 tbsp soy and 1tsp sriracha. Add a dash of toasted sesame oil and combine.
In a skillet toast about 1 Tbsp sesame seeds till light brown.
Place hot beans into bowl with soy mixture. Toss to coat. Top with sesame seeds.