Ecuadorian empanadas

Name: Ecuadorian empanadas
Ingredients: 260g fine cornmeal; 130g plain flour; 2 tbsp olive oil; 1 egg beaten; 25g basmati rice; 1 tbsp olive oil; 270g minced pork; 4 spring onions finely chopped; 3 cloves garlic finely chopped; ¾ tsp paprika; 1½ tsp ground cumin; ¾ tsp dried chilli flakes; 2 tbsp tomato purée; 80g from a tin black beans drained; 60g green olives pitted and sliced; a small handful coriander finely chopped; 1 green chilli chopped; a small bunch coriander chopped; 4 spring onions chopped; 5 limes juiced