INGREDIENTS
2 tbsp
olive oil
4 cups
chopped yellow onions (from about 2-3 onions)
1 tsp
brown sugar
2 tbsp
balsamic vinegar
1/2 tsp
kosher salt
1/2 tsp
black pepper
1 cup
sour cream
1/2 cup
mayonnaise
1/4 tsp
Worcestershire sauce
1/4 tsp
garlic powder