Heat a large pot over medium heat and add the pork stew meat. Brown the pieces on all sides, then remove them to a plate.
Add the onion, garlic, and ginger to the same pot. Cook until the onion softens.
Stir in the red curry paste and cook for one minute until fragrant.
Return the pork to the pot. Add the chicken broth, coconut milk, fish sauce, and brown sugar. Bring the mixture to a simmer.
Add the carrots and red bell pepper. Cover and simmer for 45 minutes until the pork is tender.
Stir in the lime juice. Taste and adjust seasoning if needed.
Ladle the stew over cooked rice and top with chopped cilantro.