For the pie dough topping, or the biscuit topping, you can brush with egg wash (1 egg whisked with 1 tbsp water) and sprinkle with a finishing salt.
You can spice this up as you see fit.
It can probably feed 8 comfortably, but better to plan for 6 and have leftovers!
You can easily cut this recipe in half if there are only 4 of you at home.
Adapted from The Joy of Cooking