Thai shrimp soup

CONTENTS
1 cup uncooked basmati rice
2 tablespoons of unsalted butter
1 pound medium shrimp, peeled and shelled
Kosher salt and freshly ground black pepper to taste
2 cloves of garlic, minced
1 onion, chopped
1 red bell pepper, chopped
1 tablespoon freshly grated ginger
2 tablespoons of red curry paste
1 (12 ounce) can unsweetened coconut milk
3 cups of vegetable broth
Juice of 1 lime
2 tablespoons chopped fresh coriander leaves