Line an 8 x 4 inch loaf pan with parchment paper. Allow the paper to hang over the sides to create "handles" Lightly spray the paper and sides of the pan with cooking spray. Set aside
In a medium microwave safe bowl use a fork and stir together the granulated sweetener and brown Swerve until fully combined and no lumps are in the Swerve.
Add the keto corn syrup, keto condensed milk and the vanilla extract. Whisk until fully combined
Add the butter and microwave on high for about 1 1/2 minutes or until the butter is fully melted and the mixture is hot. Bowl will be hot. Use oven mitts or towel to remove the bowl from the microwave
Stir until the butter is fully combined and the sweeteners are dissolved
Microwave on high for another 2 minutes or until slightly bubbly.
Stir to make sure everything is fully combined. Microwave on high once again for another 2 1/2 minutes or until bubbly.
Pour caramel into prepared loaf pan. Slightly tilt the pan back and forth until evenly coating the bottom of the pan. Allow to sit at room temperature for about 4 hours or until firm and no longer sticky to the touch
Grasp the overhanging parchment paper and lift the caramel slab out of the pan. Cut into the desired size and shape. Wrap each piece in small strips of parchment paper. Store wrapped caramels at room temperature for up to 5 days
Notes
These caramels contain less than 1 gram of net carbs a piece