Easy Apple Butternut Squash Casserole Recipe for Fall Dinner
Easy Apple Butternut Squash Casserole is the ultimate comfort food for fall dinners. After making this countless times, I’ve discovered the secret to the perfect crispy topping. Jump to the recipe or keep reading for my best tips. If you love recipes like this, you’ll also enjoy Easy Keto Caprese Stuffed Avocado Bites Recipe and Easy Garlic Bread Grilled Cheese Sandwich Recipe.
Why This Easy Apple Butternut Squash Casserole Recipe for Fall Dinner Is Pure Comfort
- Crispy topping with a hint of sweetness
- Tender butternut squash and soft apples
- Comforting and hearty, perfect for fall
What You'll Need for Easy Apple Butternut Squash Casserole Recipe for Fall Dinner
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- 1 large butternut squash
- 2 apples
- 1 cup old-fashioned oats
- 1/2 cup chopped pecans
- 1/2 cup brown sugar
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tsp ground cinnamon
- 1/2 tsp ground nutmeg
- Optional: Fresh parsley, chopped
📝 Ingredient Notes
- butternut squash: Peel and dice into 1-inch cubes.
- apples: Choose a sweet-tart variety like Honeycrisp or Pink Lady.
🛒 Tools & Equipment I Recommend
- KitchenAid Food Processor — Safely and quickly dices butternut squash. → See on Amazon
- Pyrex Glass Baking Dish — Even heat distribution for perfectly cooked casserole. → See on Amazon
How to Make Easy Apple Butternut Squash Casserole Recipe for Fall Dinner
- Preheat oven: Preheat oven to 375°F (190°C).
- Prepare squash and apples: Peel and dice butternut squash into 1-inch cubes. Peel, core, and slice apples. Toss with 1 tbsp lemon juice to prevent browning.
- Cook squash and apples: In a large skillet, combine squash, apples, salt, pepper, cinnamon, and nutmeg. Cook over medium heat until squash is tender, about 10 minutes.
- Assemble casserole: Transfer squash and apple mixture to a greased 9×13-inch baking dish. Top evenly with oats, pecans, and brown sugar.
- Bake: Bake for 25-30 minutes, until topping is golden and crispy.
Cook's Tips for Perfect Easy Apple Butternut Squash Casserole Recipe for Fall Dinner
- Common mistake and fix: Don't overcook the squash before assembling. It will continue to cook in the oven.
- Pro tip: For a gluten-free version, use certified gluten-free oats and omit the brown sugar or replace with maple syrup.
- Pro tip: Make ahead: Prepare the casserole up to a day ahead. Store in the fridge, then bake as directed.
Storing & Reheating Easy Apple Butternut Squash Casserole Recipe for Fall Dinner
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in an airtight container for up to 5 days. Make-ahead tip: Prepare up to a day ahead. Store in the fridge, then bake as directed.
Freezing Easy Apple Butternut Squash Casserole Recipe for Fall Dinner
Freeze individual portions for up to 3 months. Thaw overnight in the fridge before reheating.
How to Reheat Without Drying It Out
Oven: Reheat in a 350°F (175°C) oven for 15-20 minutes. Microwave: Reheat in the microwave for 2-3 minutes, then crisp under the broiler for 1-2 minutes.
Recipe Notes
- Chef tip: For a smoother texture, blend half the squash and apple mixture before combining with the remaining ingredients.
- Best substitution: Replace butternut squash with an equal amount of peeled and diced sweet potatoes.
- Make-ahead: Prepare the casserole up to a day ahead. Store in the fridge, then bake as directed.
- Scaling: This recipe can be halved or doubled to fit your needs.
- Troubleshooting: If the topping isn't crispy, broil for 1-2 minutes after baking.
Want to level up this recipe?
OXO Good Grips 3-Piece Stainless Measuring Cups Set — Accurate measuring for consistent results. → Check price on Amazon
Easy Apple Butternut Squash Casserole Recipe for Fall Dinner
Ingredients
Main Ingredients
- 1 large butternut squash
- 2 apples
- 1 cup old-fashioned oats
- 1/2 cup chopped pecans
- 1/2 cup brown sugar
Seasonings
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tsp ground cinnamon
- 1/2 tsp ground nutmeg
Optional Toppings
- Fresh parsley, chopped
Instructions
- Preheat oven: Preheat oven to 375°F (190°C).
- Prepare squash and apples: Peel and dice butternut squash into 1-inch cubes. Peel, core, and slice apples. Toss with 1 tbsp lemon juice to prevent browning.
- Cook squash and apples: In a large skillet, combine squash, apples, salt, pepper, cinnamon, and nutmeg. Cook over medium heat until squash is tender, about 10 minutes.
- Assemble casserole: Transfer squash and apple mixture to a greased 9×13-inch baking dish. Top evenly with oats, pecans, and brown sugar.
- Bake: Bake for 25-30 minutes, until topping is golden and crispy.
Notes
- Chef tip: For a smoother texture, blend half the squash and apple mixture before combining with the remaining ingredients.
- Best substitution: Replace butternut squash with an equal amount of peeled and diced sweet potatoes.
- Make-ahead: Prepare the casserole up to a day ahead. Store in the fridge, then bake as directed.
- Scaling: This recipe can be halved or doubled to fit your needs.
- Troubleshooting: If the topping isn't crispy, broil for 1-2 minutes after baking.
Storage
- Fridge: Store leftovers in an airtight container for up to 5 days.
- Freezer: Freeze individual portions for up to 3 months. Thaw overnight in the fridge before reheating.
- Oven reheat: Reheat in a 350°F (175°C) oven for 15-20 minutes.
- Microwave reheat: Reheat in the microwave for 2-3 minutes, then crisp under the broiler for 1-2 minutes.
- Make ahead: Prepare up to a day ahead. Store in the fridge, then bake as directed.
Nutrition Per Serving
- Calories: 280
- Protein: 5g
- Fat: 9g
- Carbs: 48g
- Fiber: 6g
- Sugar: 17g
- Sodium: 300mg
- Cholesterol: 0mg
- Sat. Fat: 1.5g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Easy Apple Butternut Squash Casserole Recipe for Fall Dinner FAQs
Yes, prepare the casserole up to a day ahead. Store in the fridge, then bake as directed.
Overcooking the squash before assembling can lead to a mushy casserole. Cook until just tender.
Yes, thaw and drain frozen butternut squash before using. It may require additional cooking time.
Yes, cook on low for 4-6 hours or on high for 2-3 hours. Top with oats, pecans, and brown sugar 30 minutes before serving.
Yes, if you use certified gluten-free oats and omit the brown sugar or replace with maple syrup.
A Warm Final Note
I can’t wait for you to try Easy Apple Butternut Squash Casserole Recipe for Fall Dinner and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!
