Marinated Roasted Onions
Marinade
Combine 1 cup of apple-cider vinegar, 2-TBSP brown sugar, 1-TBSP finely ground/chopped fresh rosemary, 2 to 4 cloves of diced or crushed garlic, and about a TSP each of salt and black pepper.
Onions
Four thick slices of large sweet yellow onions, like Texas...