2 tablespoons cooking oil
1 small onion
diced2 garlic cloves
minced1 small potato
peeled and diced1 pound ground chicken
1 tablespoon curry powder
1 tablespoon fish sauce or soy sauce
1 teaspoon kosher salt
1 teaspoon sugar
¼ teaspoon cayenne
¼ cup water
½ cup frozen peas
1 recipe pastry dough or 1 package puff pastry
thawed if necessary1 egg whisked with 1 teaspoon water