Rice Krispies Treats:

3 tablespoons butter

1 package (10 oz.) regular marshmallows or 4 cups of mini-marshmallows

6 cups Rice Krispies

Caramel:

2 cups white sugar

1 1/2 cups corn syrup

2 cups heavy cream

1 cup butter

1 teaspoon vanilla extract

Coarse Sea Salt for sprinkling on top