Onion-Balsamic Sauce
How to Make It
Step 1
Cook onion in a skillet coated with cooking spray over medium heat, stirring occasionally, 15 minutes.
Step 2
Stir in sugar; cover and cook, stirring occasionally, 10 minutes.
Step 3
Add wine, vinegar, and bouillon; cook, uncovered, stirring occasionally, until liquid is reduced by half. Serve with tenderloin.
