Butternut Squash and Pork Carnitas Tacos

Name: Butternut Squash and Pork Carnitas Tacos
Ingredients: 1 small butternut squash ends removed and seeds scraped out, cubed; 1 teaspoon salt divided; 1/2 teaspoon ground black pepper divided; 1/4 cup olive oil divided, plus one tablespoon; 1 3-pound pork tenderloin; 1/3 cup diced white onion; 3 garlic cloves minced; 2 cups vegetable stock; 1 tablespoon tomato paste; 1 tablespoon chipotle powder or smoked paprika; 1 tablespoon ancho chile powder; 1 teaspoon ground cumin; 2 ounces heavy cream; Mini tortillas; Cotija cheese for topping