Put the evaporated milk, chai tea and vanilla bean in a small saucepan over medium-high heat, stirring occasionally. Once the mixture starts to simmer, remove from the heat, cover and steep for 30 minutes.
Pour the mixture through a fine-mesh strainer into a large bowl and whisk in the sweetened condensed milk and heavy cream. Pour the mixture into the pop molds and freeze until completely solid, at least 4 hours, preferably overnight.
To unmold: run the molds briefly under warm water.
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