Homemade Twix

INGREDIENTS

Shortbread

3 sticks

unsalted butter, room temperature

1 cup

granulated sugar

1 tsp

vanilla

3 1/2 cups

all purpose flour

1/4 tsp

salt

Caramel

1 cup

white sugar

1/2 cup

packed brown sugar

1/2 cup

light corn syrup

1/2 cup

evaporated milk

1 cup

heavy cream

1 stick

unsalted butter

1 tsp

vanilla extract

Chocolate Coating

about 24 ounces of good quality semisweet chocolate

2 tbsp

neutral oil (I used canola, but vegetable and shortening will work just as well)

fleur de sel for sprinkling