To make dressing, open can of coconut milk (do not shake first) and spoon off 1 cup from the top; place in blender. Add gorgonzola, mayonnaise, sambal oelek and lime juice and blend; adjust to taste.
In a large bowl, add rice, mangoes, black beans, gorgonzola, red bell pepper, cucumbers and 3 tablespoons cilantro; mix to combine. Add dressing and toss to combine. Cover and chill for 1 to 2 hours. Remove from fridge and adjust seasoning to taste. Serve in a glass salad bowl and garnish with peanuts and remaining cilantro.