Tasty Meatless Jackfruit Tacos

Ingredients

• 2 medium onions, sliced
• 1/4 cup olive oil, divided
• 3/4 pound portobello mushroom, sliced
• SAUCE:
• 2 to 4 chipotle peppers in adobo sauce
• 2 tablespoons chili powder
• 1 tablespoon ground cumin
• 1 tablespoon dried oregano
• 2 teaspoons granulated garlic
• 1 teaspoon garlic powder
• 1 to 2 teaspoons kosher salt
• 4 tablespoons water
• 2 cans (14 ounces each) jackfruit, drained and shredded
• 1/2 cup pumpkin seeds or pepitas, toasted
• 1/4 cup nutritional yeast
• 12 corn tortillas (6 inches), warmed
• Optional: Lime wedges, sliced cabbage, salsa, cilantro leaves and avocado