Line mini muffin tray with liners or use silicon molds. An ice cube tray works as well. Fill your trays with crushed pecans.
Melt your salted and unsalted butter together on the stove. Add sweetener and vanilla.
Pour over pecans. Place in refrigerator or freezer to set.
Store in refrigerator. They should easily pop out if tray when pressed on one side. Enjoy!