Chili-Lime Mushroom Tacos

Ingredients

• 4 large portobello mushrooms (about 3/4 pound)
• 1 tablespoon olive oil
• 1 medium sweet red pepper, cut into strips
• 1 medium onion, halved and thinly sliced
• 2 garlic cloves, minced
• 1-1/2 teaspoons chili powder
• 1/2 teaspoon salt
• 1/2 teaspoon ground cumin
• 1/4 teaspoon crushed red pepper flakes
• 1 teaspoon grated lime zest
• 2 tablespoons lime juice
• 8 corn tortillas (6 inches), warmed
• 1 cup shredded pepper jack cheese