Ham & Cheese Pastry Slab

Ham & Cheese Pastry Slab Serves: Makes 8 Portions A perfect Lunch box or after school snack, adjust ingredients to suite individual tastes INGREDIENTS 1 x 445g pack Carême Sour Cream Shortcrust Pastry, defrosted 1 x egg beaten 120g mature cheddar grated (or any other good melting cheese) 2 teaspoons mustard powder 2 tablespoons chopped chives…