Microwave Caramel Sauce~

Adapted from Cook's Illustrated 


1 cup sugar

2 tablespoons light corn syrup

2 tablespoons water

1/8 teaspoon lemon juice

1/2 cup heavy cream, hot 

1 tablespoon butter

1 teaspoon vanilla

Stir together sugar, corn syrup, water and lemon juice in a 2 cup Pyrex measuring cup or a microwave safe glass bowl.  Microwave on high till mixture just starts to brown...it will be a very, very pale tan...5 to 8 minutes depending on the strength of your microwave. Mine took only 4 1/2 minutes so keep a close eye on the molten sugar between minute 4 and 5.

When the mixture just starts to brown, remove it from the microwave and allow to sit for 5 minutes.  It will magically continue cooking and browning to a deep caramel color. Then, slowly and carefully add hot cream, one tablespoon at a time. It will bubble up, so take care not get get any of the liquid on your skin.  Add butter and vanilla.