Caramelized Onion Pizza - With pork

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 (8-ounce) ball Pizza Dough 1 tablespoon olive oil 1 1/2 cups vertically sliced onion 1[...]

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 1 (8-ounce) ball Pizza Dough 1 tablespoon olive oil 1 1/2 cups vertically sliced onion 1[...]

pizza dough 1 tablespoon olive oil 1 tablespoon balsamic vinegar 2 teaspoons brown sugar 1 teaspoon olive oil 3 chicken sausages, diced (or regular italians)[...]

4 tablespoons parmesan cheese 3 tablespoons panko 1 tablespoon olive oil 1 medium red onion , sliced 1/4 teaspoon salt 1/8 teaspoon fresh ground pepper 2[...]