Curry puffs

INGREDIENTS

1/2 tbsp

vegetable oil, or enough to thinly coat pan

1 cup

finely diced onion (about 1/2 medium onion)

2 tbsp

curry powder (see Notes for brands)

1/2 lb

ground beef (see Notes for variations)

1/2 tbsp

sake or Shaoxing rice wine

1 tbsp

soy sauce, or more to taste

1/2 tbsp

sugar, or more to taste

1/4 tsp

grated ginger (optional, to taste)

salt and pepper

1 lb

homemade or storebought puff pastry or pie crust, well-chilled (I used one batch of Sam's rough puff pastry, which is my personal favorite)