Step 1

Whisk together soy sauce, hoisin sauce, fish sauce, garlic, lemongrass, ginger, sriracha, and red pepper flakes. Set aside.

Step 2

Drizzle oil into a large skillet over medium-high heat.

Step 3

Add pork and brown, breaking apart with a spoon or spatula as it cooks, for about 5 minutes.

Step 4

Add zucchini, water chestnuts, onions, and carrots. Sauté about 5-7 minutes until veggies are tender.

Step 5

Stir in sauce. Reduce heat to medium-low. Simmer for 5-10 minutes.

Step 6

Serve in lettuce cups and garnish with green onions if desired.