2.0 oz Browned butter infused bourbon. (B.B.B)
0.70 oz maple syrup.
0.70 fresh lemon juice.
BBB.
Add 160 grams of unsalted butter to a large sauce pan, heat on medium heat until dark brown. ( black spot at the bottom will form which are fine)
In separate container add 1L of bourbon and pour hot butter in it. Let it sit for 5 hours while mixing it around whenever you can.
Freeze overnight and strain through a coffe filter when you take it out of the freezer.
Maple syrup old fashioned work really well with the BBB too!