Minced Lamb and Plantain Picadillo

Name: Minced Lamb and Plantain Picadillo
Ingredients: 2 tablespoons olive oil (extra virgin, for best flavor); 2 large plantains (ripe, peeled and diced into 1/2-inch cubes); 1 pound ground lamb (minced lamb) (preferably grass-fed); 1 medium yellow onion (finely diced); 3 cloves garlic (minced); 1 teaspoon cumin (freshly ground preferred); 1 teaspoon ground allspice (also called pimento or Jamaican Pepper); 1/2 teaspoon ground cinnamon; 1/2 cup tomato puree (preferably unsalted); 1/4 cup green olives (pitted and sliced); 2 tablespoons raisins (optional, for added sweetness); 1/4 cup cilantro (fresh, chopped for garnish); 1 pinch salt (to taste, season as needed); 1 pinch ground black pepper (to taste, season as needed)