01 - Preheat the oven to 375°F.
02 - In a large oven-safe skillet or casserole dish, sauté the onion, carrots, celery, and red bell pepper over medium heat for 5 minutes, adding a splash of vegetable broth to prevent sticking.
03 - Add the butternut squash and minced garlic, cooking for an additional 3 minutes until slightly softened.
04 - Stir in the cooked beans, brown rice, diced tomatoes with their juice, vegetable broth, smoked paprika, dried thyme, ground cumin, black pepper, and salt; mix thoroughly.
05 - Bring the mixture to a gentle simmer, then cover the dish with a lid or foil.
06 - Transfer to the oven and bake covered for 30 minutes until vegetables are tender and bubbling.
07 - Remove the cover, stir gently, and bake uncovered for an additional 10 minutes to reduce excess liquid.
08 - Remove from the oven, sprinkle with chopped fresh parsley, and serve hot.