Thai Chicken Curry

Name: Thai Chicken Curry
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: American, Thai
Ingredients: 1 1/2 pounds boneless skinless chicken breasts (or thighs, or a mix!); 1/2 teaspoon kosher salt; 1/2 teaspoon ground black pepper; 2 tablespoons coconut oil; 1 red bell pepper (thinly sliced); 1 leek (thinly sliced); 2 cloves garlic (minced); 1/2 teaspoon grated fresh ginger; 2 tablespoons red curry paste; 1 can full-fat coconut milk ((14 ounces) (do not use light, or the sauce won't thicken properly)); 3 tablespoons fresh cilantro (torn); Prepared brown rice (for serving)