What is the cheapest bridge from BSC to ETH?

I'm curious to know, what is currently the most cost-effective method or bridge for transferring assets from Binance Smart Chain (BSC) to Ethereum (ETH)? Given the various options available in the market, it's essential to identify the one that minimizes transaction fees and ensures a smooth and secure transfer process. With the rapidly evolving landscape of DeFi and cross-chain interoperability, I'm eager to hear your thoughts on the cheapest and most efficient way to bridge assets from BSC to ETH.