Place butter and salt in saucepan over medium heat, whisk while melting and bring to a boil.

Once butter begins to brown (2-3 minutes), add extracts and sweetener and continue whisking as it thickens

Add crushed peanuts and whisk in. Allow to cook for 5-6 minutes

Remove from heat and pour into a parchment lined tray or cookie sheet. Smooth out with spatula. Freeze until set

Store in freezer.