Crispy Beef Mince and Plantain Bowls

Name: Crispy Beef Mince and Plantain Bowls
Ingredients: 500 grams ground beef (minced beef) (lean, preferably grass-fed); 2 tablespoons vegetable oil (neutral-flavored); 1 small onion (diced); 2 cloves garlic (minced); 1 teaspoon cumin (ground ); 1 teaspoon paprika (smoked if available); 2 ripe plantains (peeled and sliced); 2 tablespoons brown sugar (optional, for extra caramelization); 2 tablespoons butter; 1 cup long-grain rice (cooked according to package instructions); 1 handful cilantro (fresh, chopped for garnish); 1 lime lime (quartered for serving)