Ingredients

1 large onion, cut into chunks (about 1 1/2 cups)
1/2 cup fresh lemon juice
1 tablespoon paprika
2 teaspoons finely minced garlic
2 tablespoons dried oregano (optional)
2 tablespoons olive oil
1 cup white wine
6 boneless, skinless chicken breast halves, trimmed of excess fat, cut into 2' cubes
Salt and freshly ground black pepper to taste