Onions with Hot and Sweet Peppers

The perfect accompaniment to any steak yields about 2 cups:   Ingredents: 3 Large Sweet Onions 3 Cloves of Garlic 2 Sweet Red Pepper 4 Jalapeño Peppers 4 Banana Peppers 1/4 cup of Balsamic Vinegar  3 tablespoons Olive Oil 2 Tablespoons Kosher Salt Fresh Black Pepper...