In a small bowl, whisk together chicken broth, soy sauce, brown sugar, sesame oil, ginger, and chili flakes. Set aside.
In another small bowl, combine cornstarch and water to create a slurry. Set aside.
Heat cooking oil in a large skillet over medium-high heat.
Add minced garlic and cook for about 1 minute until fragrant.
Add ground turkey and cook while breaking it apart until browned, about 5 to 6 minutes.
Stir in zucchini strips and most of the chopped green onions.
Pour in the prepared sauce and cook for 3 to 4 minutes until the zucchini begins to soften.
Add the cornstarch slurry and stir continuously for about 1 minute until the sauce thickens.
Season with salt and pepper as needed.
Remove from heat.
Divide cooked brown rice among four serving bowls.
Top each bowl with a generous portion of the turkey and zucchini mixture.
Add sliced avocado to each bowl and lightly season with sea salt if desired.
Place a poached egg on top of each bowl.
Garnish with sesame seeds and remaining green onions.
Serve immediately and enjoy your Asian Turkey and Avocado Brown Rice Bowls.