Put all chocolate in a medium bowl and microwave on high for 1 minute. Stir and set aside. If not completely melted microwave another 30 seconds.
Whisk egg yolks, sugar, honey, cinnamon and salt in a bowl. Set aside while warming the milk.
Combine milk and whipping cream in saucepan. Place over medium low and heat until hot to the touch.
Add egg yolk mixture to warm milk and whisk to combine. Continue stirring with a wooden spoon until your finger drawn across the back of the spoon leaves a line, about 4 minutes.
Set a strainer over the bowl with the chocolate. Pour the custard mixture through the strainer into the bowl to strain out any lumps.
Add pepper flakes and vanilla. Stir to combine.
Cool completely. Refrigerate overnight.
Freeze according to the directions for your ice cream maker.
Serve with lime glaze if desired.