1 (1 pound 2 ounce) pork tenderloin
3 to 4 tablespoons vegetable oil
2 tablespoons cider vinegar
2 cloves garlic, crushed
1/4 teaspoon crushed hot peppers or to taste
French-style baguette, cut  into 4 x 5-inch sections
Lettuce leaves
2 medium tomatoes, sliced
1 onion, thinly sliced

Sauce:
2 tablespoons vegetable oil
1 teaspoon hot paprika
1 small onion, finely chopped
2 stalks celery, finely chopped
1 small green or red bell pepper, finely chopped
1 clove garlic, crushed
1 small fresh green chile, seeds removed and chopped
1 tablespoon brown sugar
1/2 teaspoon dried thyme
1 (14 ounce) can chopped tomatoes
2 tablespoons chopped parsley
Salt