1 tablespoon olive oil |
4 cups vertically sliced onion (about 1 1/4 pounds) |
1 1/2 tablespoons sugar |
1 tablespoon red wine vinegar |
1 tablespoon low-sodium soy sauce |
1 teaspoon chopped fresh thyme |
1/8 teaspoon ground red pepper |
2 garlic cloves, minced |
2 tablespoons reduced-fat sour cream |
2 tablespoons low-fat mayonnaise |
1 tablespoon prepared horseradish |
1 (8-ounce) loaf french bread, halved lengthwise |
1 cup torn red leaf lettuce leaves |
1 1/2 cups thinly sliced simply roasted pork (about 8 ounces) |