01 - Heat vegetable oil in a large skillet or wok over medium-high heat until shimmering.
02 - Add chopped onion and sauté for 2 minutes until softened and translucent.
03 - Stir in minced garlic and grated ginger, cook for 1 minute until fragrant, being careful not to burn.
04 - Add sliced red and green bell peppers, cook for another 2 minutes until slightly tender.
05 - Push vegetables to the sides of the pan. Add seasoned chicken pieces to the center and sauté until lightly browned on all sides, about 4-5 minutes.
06 - Stir in red curry paste, turmeric, coriander, cumin, and chili flakes. Cook for 1-2 minutes, stirring constantly to release essential oils and bloom the spices.
07 - Pour in coconut milk and chicken broth. Add fish sauce, soy sauce, and brown sugar. Stir thoroughly to dissolve sugar and combine all elements.
08 - Simmer uncovered for 10-12 minutes until chicken is cooked through and sauce thickens slightly, stirring occasionally.
09 - Stir in fresh lime juice and most of the torn basil leaves, reserving a few for garnish. Taste and adjust salt, pepper, or heat level as needed.
10 - Serve immediately over steamed jasmine rice, garnished with remaining basil and chopped cilantro if desired.