Roasted Onions - cooking recipe

Ingredients

medium yellow onions
1/2 c. olive oil
1/2 c. balsamic vinegar
salt and pepper (optional)

Preparation

Use flat plan like roasting pan or flat casserole dish.
Use medium yellow onions.
If there is soil on onions, wipe off gently. Do not take off skins.
Take 7 or 8 onions root ends off slightly so onions can stand up in pan.
Cut other ends a little.
Stand onions in pan in rows in one layer.