Thai Red Chicken Curry for Beginners

Name: Thai Red Chicken Curry for Beginners
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: Thai
Ingredients: 2 tablespoons olive oil; 4 medium shallots, thinly sliced; 1 medium red bell pepper, julienned; 1 red chile pepper, finely chopped; 1 tablespoon minced fresh ginger root; 3 cloves garlic, minced; 1 (13.5 ounce) can coconut milk, divided; 2 teaspoons Thai red curry paste; 1.5 pounds skinless, boneless chicken breast, thinly sliced; 0.25 cup chopped Thai basil; 1 tablespoon brown sugar; 1 tablespoon lime juice; 1 teaspoon fish sauce; 1 cup diced tomatoes; 1 stalk scallion, finely chopped