Heat a large pot over medium-high heat and add ½ tbsp of coconut or avocado oil.
Add ginger, garlic, red onion, red bell pepper, and lime leaves, and season with salt. Cook for 3-4 minutes until veggies soften.
Stir in red curry paste and diced chicken breast until well combined.
Add chicken broth, coconut milk, lime juice, fish sauce, and coconut aminos. Bring to a boil, then reduce heat and simmer for 30 minutes.
Taste and adjust salt or fish sauce if needed.
Serve over fresh zucchini noodles, then top with lime juice, green onion, and cilantro.