Pour the condensed milk into a plastic, microwave safe bowl or container
Add in the sugar and the butter; do not stir
Place bowl into the microwave for 3 mins
Take it out and stir for 45 seconds.
Place the bowl back into the microwave for 2 mins and 30 seconds.
Take it out and stir for another 45 seconds.
Place it into the microwave again for 2 mins*
Remove the bowl and stir until the mixture stops bubbling; about 15-20 seconds
Add in the vanilla extract and pecans
Stir until the mixture thickens a little more and becomes harder to stir; about 45 seconds-1 min
Using a tablespoon, scoop out spoonfuls onto waxed paper
Allow 20 mins to cool and set.
