Caramelized Onion without ginger biscuit

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 2 tablespoons butter 2 onions, halved and sliced 1 teaspoon sherry vinegar 1/2 teaspoon salt[...]

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 1/2 cup diced sweet onion 2 teaspoons olive oil 1/4 cup Browned Flour 1 1/2 cups 1% low-fat[...]

12 ounces refrigerated fresh pizza dough 4 teaspoons olive oil, divided 2 cups vertically sliced yellow onion 1 cup vertically sliced red onion 1 cup[...]