The best replacement for bundt pan is tube pan.

The best alternatives to bundt pan are rated as following:
★★★★★  tube pan
★★★  angel food pan
★★★  loaf pan
★★  cake pan
★  fluted tube pan
★  fluted pan
★  regular pan
★  fluted tube
  angel food cake pan
  9x13 pan
  springform pan
  9x13
  flute pan

Your alternative for bundt pan is not listed? Suggest!
Speaking about bundt pan, one probably shouldn't forget about cake keeper.

Other search terms related to bundt pan and their ratings are:
★★★★★ cake keeper
You have in mind a companion for bundt pan and it is not yet here? Propose!



Google Trends

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bundt pan
tube pan
angel food pan