Cook the frozen hash browns according to the package.
In a large skillet, saute the onion, peppers, and mushrooms in a little water or stock over medium-high heat for 5 minutes or until the onions are soft. Add the kale leaves and cover. Cook for an additional 3-5 minutes. Season to taste with salt and pepper.
Place a big scoop of hash browns on a plate. Place a big scoop of the veggies on top of the hash browns and a small scoop of refried beans on the side. Pour butternut cream sauce over each portion.
Top with avocado and scallions, serve immediately.