In small mixing bowl: mix flour and baking powder
In stand mixer: beat liquids for 2 minutes on medium
Combine dry and liquid ingredients
Form dough into a ball and wrap with plastic wrap and chill in fridge for 1 hour
Preheat oven to 375
Thaw for 5 minutes
Divide in 4 pieces. Place the other 3 pieces in the fridge till using
Roll flat to ⅛ inch and cut 3 inch (can be other sizes too) circles
Put 1 tablespoon of filling in the center of each piece. Then pinch sides to make a triangle (if they look unstable, put in freezer with 10 minutes before cooking)
Cook for 14 minutes (golden brown on edges)