Spicy Korean Brussels Sprout Tacos

Name: Spicy Korean Brussels Sprout Tacos
Ingredients: 1 pound Brussels sprouts, stems removed and sliced in half; 3 tablespoons vegetable oil; 2 ounces shiitake mushrooms (1 1/2 cups); 1 teaspoon chili powder; 1 15 oz can of black beans, rinsed; 2 limes; 1 avocado, sliced; 6″ flour or corn tortillas; 1/4 cup chili garlic sauce or gochujang; 2 tablespoons tamari; 1 tablespoon apple cider vinegar; 3 tablespoons dark brown sugar; 3 cloves garlic, minced (about 1 tablespoon); 1 teaspoon grated fresh ginger; 1 tablespoon toasted sesame oil