01 - Preheat oven to 375°F. Cut tops off bell peppers, remove seeds, and place upright in baking dish. Drizzle with olive oil and roast 10 minutes to soften.
02 - Place diced potatoes in pot, cover with salted water, and boil until fork-tender, 10-12 minutes. Drain and set aside.
03 - Heat olive oil in skillet over medium heat. Sauté onion and garlic 2-3 minutes until fragrant.
04 - Stir in zucchini and corn; cook 3 minutes until slightly softened.
05 - Add cooked potatoes, black beans, Cajun seasoning, smoked paprika, thyme, salt, and pepper. Cook 2 minutes, then remove from heat.
06 - Lightly mash potato mixture, leaving some chunks. Mix in milk, half the cheese, and half the parsley.
07 - Spoon mixture evenly into bell peppers. Sprinkle with remaining cheese and breadcrumbs.
08 - Bake 25-30 minutes until tops are golden and peppers are tender. Garnish with remaining parsley and serve hot.