PF Chang's Lettuce Wraps

Ingredients

• 1 yellow onion, diced
• 4 green onions, sliced
• 1 lb ground chicken
• 1 lb shittake mushrooms
• 1 tbsp freshly minced ginger
• 4 cloves garlic minced
• 1 tbsp sesame oil
• 1/2 cup matchstick carrots
• 2 tsp sriracha
• 1 can water chestnuts, finely chopped
• 1 head romaine or Boston leaf lettuce
• 2 tbsp low sodium soy sauce