Beer Braised Onions - cooking recipe

Ingredients

4 -5 large onions
0.5 (116 ounce) bottle beer
1/4 cup olive oil
1 tablespoon whole grain mustard
1/4 cup balsamic vinegar
1 teaspoon garlic
1/3 cup brown sugar
salt & pepper

Preparation

Slice the onions and put in a bowl with the rest of the ingredients and combine well.
Spread the onion mix on a baking tray and cover.
Cook in a moderate over 350 degrees F. for about 45 minutes or until soft stirring occasionally.