Reduce apple cider from 500 g → 160 g, use 80 g in batter (reduce to a third)
Whisk flour + baking powder+ baking soda + salt + spices
Mix sugars + egg + yolk → add yogurt, discard, butter, oil, vanilla, cider
Fold dry into wet, rest 2-3 min
Pipe into greased donut pans, 45-55 g each
Bake 12 min at 350 °F, cool 5 min, then transfer to rack
mix powdered sugar + maple syrup + milk to make the glaze then dip or pour over
