Citrusy Tofu Sandwiches With Jicama Sticks

Name: Citrusy Tofu Sandwiches With Jicama Sticks
Ingredients: 1 14-ounce package extra-firm tofu; 1 small onion, sliced 1/4 inch thick; 3 cloves garlic, roughly chopped; 1 1/2 tablespoons extra-virgin olive oil; Juice of 2 oranges; 1 medium jicama (about 3/4 pound); 1/4 teaspoon chili powder; 4 small whole-wheat hoagie rolls, split; 1/4 cup yellow mustard; 1 1/4 cups shredded low-fat low-sodium Swiss cheese (5 ounces); 2/3 cup chopped roasted red peppers, drained and rinsed; 1/2 kosher dill pickle, chopped (about 1/4 cup)