Ingredients
2
large onions, cut into 1/8-inch-thick slices
1/8
tsp ground black pepper
1/3
cup canned beef broth
1/2
cup purchased barbecue sauce
1
1/2 tbsp apple cider vinegar or white vinegar
Directions
1.
Heat oil in large skillet over medium-high heat. Add onions, salt and pepper; cook until onions begin to brown, stirring frequently, about 8 minutes. Add broth, barbecue sauce and vinegar. Reduce heat to medium; simmer until sauce thickens, stirring occasionally, about 15 minutes. (Can be made 1 day ahead. Cover; chill. Rewarm before serving.)