Tempeh BLTs

For the bacon:

1 (8-ounce) package tempeh
2 tablespoons sesame oil
2 tablespoons soy sauce
1 tablespoon liquid smoke
1 tablespoon smoked paprika
1 tablespoon red wine vinegar
1 teaspoon onion powder
1/2 teaspoon garlic powder
1/2 teaspoon black pepper

For the sandwiches:

8 slices sourdough bread
4 to 8 lettuce leaves
2 large tomatoes
1/2 cup vegan mayonnaise