Butternut Squash and Mushroom Tacos

Bahan-bahan (6 porsi)

• 2 tablespoons olive oil, divided
• 2 cups finely diced butternut squash (about 1/2 of a large butternut squash that has been peeled and seeded)
• 8 ounces baby bella or button mushrooms, finely diced
• 1 serrano pepper, stem removed and thinly sliced (*I recommend using a seeded jalapeno instead, if you prefer less heat)
• 3 cloves garlic, peeled and thinly sliced
• 1/2 teaspoon sea salt
• 1/4 teaspoon freshly-ground black pepper
• 1/8 teaspoon ground cumin
• corn tortillas
• for serving: chopped fresh cilantro, diced white onions, lime wedges, crumbled cotija cheese
• 1/2 cup Greek yogurt or sour cream
• 1 chipotle chile in adobo sauce
• 1 clove garlic
• 1 tablespoon lime juice
• pinch of salt