Crisp Tofu Sandwich With Peanut-Ginger Sauce

Ingredients

• 1 medium onion, cut into 1/2-inch-thick rounds
• 1 red bell pepper, cut into 4 long panels
• 2 teaspoons olive oil
• 6 ounces thai-flavored baked tofu, cut into 1/2-inch slices
• 2 tablespoons natural unsweetened peanut butter
• 1/2 teaspoon honey
• 1/2 teaspoon toasted sesame oil
• 3/4 teaspoon grated fresh ginger
• 1 (4-ounce) 8-inch whole-wheat baguette, or whole-grain baguette, halved horizontally
• radish sprouts for garnish (optional)