Mứt khoai lang (Candied Sweet Potato) Recipe

1 lb. Sweet Potato

1 1/2 tsp. Kosher Salt

3/4 cup Sugar

1 Lime

1/2 tsp. Vanilla Extract

Water

In a bowl of water, add in 1 1/2 tsp. Kosher Salt. Cut 1 Lime, squeeze the juice into water. Peel and cut 1 lb. Sweet Potato, put into the water mixture for 30 minutes. Then rinse with water.  Place into a bowl, add in 3/4 cup Sugar and mix. Cover with plastic wrap for 2 hrs. Then using low-medium heat cook on stove. Add 1/2 tsp. Vanilla Extract. Let it cook until it candied, let it cool and serve.