Carefully cut squash in half and sprinkle the flesh side with a little salt and pepper. Turn squash over (flesh side down) and bake for about 30 minutes.
While your squash is baking, line a large pan with a little water.
Saute onion, mushrooms, and garlic until tender.
Stir in kale, veggie broth, and cooked quinoa. Simmer for 5 minutes.
Divide quinoa filling among acorn squash. Top with nutritional yeast and breadcrumbs.
Place squash back into the oven and broil for around 3 minutes.
Notes
Plan Ahead - Prepare quinoa and chop veggies the night before.
Extra Calories - Serve with a side salad.