Bring 1 cup beer to a boil over high heat, continue to boil until reduced by half, about 8 minutes.

Prepare a pan by adding a square of parchment to the bottom of an 8x8 baking dish. Spray the baking dish and parchment with cooking spray.

Lower heat and stir in the butter until melted.

Stir in both sugars, and cream until the sugar has dissolved.

Raise heat to high, clip a cooking thermometer onto the side.

Boil without stirring until the mixture reaches 255°F.

Remove from heat, stir in the vanilla and the remaining 1 tablespoon beer.

Pour into prepared pan.

Sprinkle with salt. Allow to cool slightly then place in the fridge to cool for 1 hour.

Cut into bite sized squares (spraying the knife with cooking spray will help to keep it from sticking).

Wrap in small squares of parchment or wax paper.