Caribbean Mango Sauce

Name: Caribbean Mango Sauce
Ingredients: 2 cups mango chunks, pulp from ripe mangoes; 1/2 red onion, diced; 1/2 Jalapeno pepper (or to taste), chopped; 1/2 green bell pepper, diced; 1/2 cup orange juice and 2 teaspoons (microplaned) orange zest; Juice of 2 limes, and ~ 1 teaspoon zest, extra lime to 'finish'; Brown sugar, to taste (start with 2 - 3 tablespoons, depending on the sweetness of your mangoes); 1 - 2 teaspoons garlic & ginger paste; Seeds of 4 cardamom pods, crushed; Freshly ground black pepper, to taste; Salt, to taste; Pinch Turmeric; 1 teaspoon Angostura bitters, plus more to 'finish'; Chopped cilantro leaves, to garnish