Bake until a tester inserted near the center of cake comes out clean and cake is dark golden brown and has begun pulling from sides of pan, 65 - 70 minutes. (epicurious.com)
Bake until a wood pick inserted near the center of cake comes out clean, 85 — 90 minutes. (caramelpotatoes.com)
Bake 40 - 45 minutes, until a toothpick inserted near the center comes out clean. (e2bakesbrooklyn.com)