1 loaf (14 ounces) ciabatta bread, halved lengthwise
2/3 cup mayonnaise
1 tablespoon chipotle pepper in adobo sauce, chopped
1 small garlic clove, minced
1 teaspoon lime juice
1/4 teaspoon pepper
1/8 teaspoon salt
1/2 cup crumbled blue cheese
3/4 pound sliced deli roast beef
1 small onion, thinly sliced
1 medium tomato, sliced
4 lettuce leaves

Directions
Place bread, cut side up, on a baking sheet. Broil 3-4 in. from the heat for 2-3 minutes or until toasted.