Spiced beef empanadas

Name: Spiced beef empanadas
Ingredients: 450g/1lb plain flour; 2 tsp baking powder; 1 tsp salt; 60g/2¼oz butter, diced into 1cm/½in cubes; 60g2¼oz lard, diced into 1cm/½in cubes; 2 eggs; 2 tbsp olive oil; 1 onion, finely chopped; 1 green pepper, seeds removed, finely chopped; 400g/14oz lean minced beef; 1 tsp paprika; 1 tsp chilli powder; 30g/1oz raisins; 12 green olives, pitted, roughly chopped; 2 hard boiled eggs, chopped; 1 tsp dried cumin; Pinch salt; Vegetable oil, for frying; 1 tsp caster sugar