Deluxe Hash Brown Skillet

Name: Deluxe Hash Brown Skillet
Ingredients: 2 large tomatoes, each cut in 4 slices; 8 ounces (200 grams) button mushrooms, brushed of any dirt and stems removed; 2 tablespoons extra-virgin olive oil; 2 tablespoons tamari (for gluten-free), liquid aminos or soy sauce; 1 tablespoon vegan Worcestershire sauce; 1 teaspoon garlic powder; 1 tablespoon mixed fresh thyme and rosemary leaves, chopped finely (or 1 teaspoon dried mixed herbs); 8 medium potatoes, scrubbed clean (about 2.2 pounds/1kg); 3 tablespoons olive oil; 1 tablespoon flaky sea salt; 1 tablespoon olive oil; One 14.5-ounce can black beans, drained and rinsed; 1/2 teaspoon ground cumin; 1/2 ripe avocado; 1/2 lime, for squeezing; Pinch of flaky sea salt; 2 scallions, thinly sliced; Handful of cilantro, chopped