Individual Chicken and Ham Pies

Name: Individual Chicken and Ham Pies
Cuisine: European, British
Ingredients: 150g butter ((cold and chopped into small pieces)); 300g spelt flour ((see notes)); 4 tablespoons water; 300g chicken; 100g ham ((I used homemade, cooked ham)); 1 large onion; 2 carrots ((peeled)); 3 small potatoes; 1 tablespoon olive oil; Pepper & Sea Salt ((to taste)); ½ teaspoon paprika; ¼ teaspoon chilli powder; 1 egg ((beaten))