Balsamic Reduction Sauce
1 tbsp olive oil or drippings from whatever meat was cooked.
Saute some onions or shallots over lowish heat adding garlic when they become soft and cook for another 1 minute.
1 cup of Balsamic vinegar to a soft boil for about 10 minutes or until reduced to about 2/3 cup.
Remove from heat and add butter.
