Preheat the oven to 400 degrees F (200 degrees C) and place parchment paper on a baking tray, or lubricate it well with olive oil.
Place your Grape Tomatoes (5), Red Onion (1/2), Assorted Color Bell Peppers (1 cup), Jalapeño Pepper (1/2), and Portobello Mushroom (1) on the sheet pan.
Drizzle with Olive Oil (1 teaspoon), then sprinkle on the Salt (1 pinch), Ground Black Pepper (1 pinch), Chili Powder (1/2 tablespoon), and Ground Cumin (1 teaspoon).
Place in the oven and cook for 25 minutes.
Remove tray from the oven, place Canned Black Beans (1/2 cup) on the tray and give a good mix. Place the tray back in the oven for 5 more minutes to warm up the beans.
Remove from oven. Use any Tortilla (to taste) you enjoy, add in black bean and veggie mixture, Avocado (1), and then garnish with Fresh Cilantro (2 tablespoon). Option to top with the juice of a Lime (to taste) and Hot Sauce (to taste).