In a large glass bowl melt butter in microwave

Add in sugar, brown sugar, corn syrup, sweetened condensed milk, sea salt and mix well

Microwave 2 minutes. Take out and stir well. Microwave another 2 minutes. Take out and stir well.

Microwave 2 minutes. Take out. Add vanilla and stir well.

Pour into a greased 9X9 glass dish or parchment covered 9X9 dish. Sprinkle with sea salt.

Refrigerate about 20 minutes. Take out and cut into the size you want. Wrap individually in wax paper.