Chicken and Ham Pies

Name: Chicken and Ham Pies
Cuisine: European, British
Ingredients: 150g (½ cup + 3 tbsp) butter (cold and chopped into small pieces); 300g (2½ cups) spelt flour (see note 1); 4 tbsp water; 300g (10½ oz) chicken; 100g (3½ oz) ham (I used homemade, cooked ham); 1 large onion; 2 carrots (peeled); 3 small potatoes; 1 tbsp olive oil; pepper & sea salt (to taste); ½ tsp paprika; ¼ tsp chilli powder; 1 egg (beaten)