Step 1: Prepare your ingredients (mise en place). Mince the garlic and chilies. If using, slice the onion and bell pepper. Mix all sauce ingredients in a small bowl and set aside.
Step 2: Heat the vegetable oil in a wok or large skillet over medium-high heat until shimmering.
Step 3: Add the minced garlic and chopped chilies to the hot oil. Stir-fry for 30 seconds until fragrant, being careful not to burn the garlic.
Step 4: Add the ground chicken to the wok. Break it up with your spatula and stir-fry until it’s cooked through and lightly browned, about 4-5 minutes. If using onion or bell pepper, add them now and cook for another 2-3 minutes until slightly softened.
Step 5: Pour the prepared sauce mixture over the chicken and vegetables. Add the chicken broth or water. Stir everything well, ensuring the chicken is evenly coated with the sauce. Cook for 1-2 minutes until the sauce slightly thickens.
Step 6: Remove the wok from the heat. Immediately add the fresh Thai holy basil leaves. Toss quickly until the basil leaves wilt, about 15-30 seconds. The residual heat will cook the basil perfectly.
Step 7: Serve immediately over hot steamed jasmine rice. Optionally, top each serving with a freshly fried egg with a runny yolk. Enjoy your delicious Thai Basil Chicken, one of the most satisfying Thai basil recipes!