Ciambella, meaning "donut", is a simple Italian breakfast dish. Classic ciambella with lemon zest and vanilla.
Pre-heat oven to 350 degrees and place rack in middle. Set aside a bundt cake pan or ring pan greased with nonstick cooking spray or shortening.
Add lemon zest and granulated sugar to egg yolks. For two minutes, mix well. Stir in milk, oil, vanilla, baking powder, and salt. Add flour in three batches until just incorporated into batter.