Baked Stuffed Butternut Squash with Rice, Mushrooms, and Kale
Roasted butternut squash halves filled with a savory mix of sautéed mushrooms, kale, rice, and melted cheese for a wholesome vegetarian entrée. This general-inspired vegetarian (vegetarian) ready in about 75 minutes pairs divided olive oil, sliced white mushrooms, chopped kale leaves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 medium, halved lengthwise and seeded butternut squash
- 4 tbsp, divided olive oil
- 8 oz, sliced white mushrooms
- 3 cups, chopped kale leaves
- 2 cups cooked brown rice
- 1 medium, diced yellow onion
- 3, minced garlic cloves
- 1 cup shredded mozzarella cheese
- 1 tsp salt
- 1/2 tsp black pepper
- 1/2 tsp dried thyme
Instructions
- Step 1: Preheat oven to 400°F. Brush 2 medium halved and seeded butternut squash halves generously with 2 tbsp olive oil and sprinkle with 1/2 tsp salt. Place cut side down on a baking sheet and roast for 40 minutes until soft.
- Step 2: While squash roasts, heat remaining 2 tbsp olive oil in a large skillet over medium heat. Add 1 diced medium yellow onion and sauté for 4 minutes until softened.
- Step 3: Add 8 oz sliced white mushrooms and cook for 6 minutes until browned. Stir in 3 minced garlic cloves and cook for 1 minute until fragrant.
- Step 4: Add 3 cups chopped kale, 1/2 tsp black pepper, 1/2 tsp dried thyme, and 1/2 tsp salt to the skillet. Cook for 3-4 minutes until kale is wilted.
- Step 5: Remove skillet from heat and stir in 2 cups cooked brown rice, mixing well.
- Step 6: Turn roasted butternut squash halves cut side up. Fill each half evenly with the rice and vegetable mixture. Top each with 1/2 cup shredded mozzarella cheese.
- Step 7: Return stuffed squash to oven and bake for an additional 15 minutes until cheese is melted and bubbling. Serve hot.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Baked Stuffed Butternut Squash with Rice, Mushrooms, and Kale take to make?
Total time is about 75 minutes (20 min prep + 55 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Baked Stuffed Butternut Squash with Rice, Mushrooms, and Kale?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep divided olive oil from drying out.
Can I substitute ingredients in Baked Stuffed Butternut Squash with Rice, Mushrooms, and Kale?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Baked Stuffed Butternut Squash with Rice, Mushrooms, and Kale for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Baked Stuffed Butternut Squash with Rice, Mushrooms, and Kale vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.