Sous Vide Tuna Steak (Any Species) in Soy Citrus Marinade - A Duck's Oven

Ingredients

• 1 lb raw tuna (any species)
• 1/4 cup soy sauce
• 1/4 cup fresh orange juice (about 1 orange)
• 2 tbsp fresh lime juice (about 1 lime)
• 2 tbsp fresh lemon juice (about 1/2 lemon)
• 1 tbsp sesame oil
• 1 tbsp ponzu sauce (can replace with soy sauce)
• 1 tsp crushed red pepper
• 1 tsp garlic powder
• 1/2 tsp kosher salt
• 1/4 cup sesame seeds
• 1/4 cup sliced green onions (green part only)
• soy sauce (for dipping)