Crisp-Topped Butternut Squash Casserole
A comforting side dish featuring roasted butternut squash layered with a nutty oat topping, perfect for fall meals. This american-inspired vegetarian ready in about 50 minutes pairs butternut squash, olive oil, dried thyme for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 185 calories and feeds 6, 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
- 1 medium (about 2 lbs), peeled and cubed butternut squash
- 2 tbsp olive oil
- 1 tsp dried thyme
- 1/2 tsp salt
- 1/2 cup rolled oats
- 1/4 cup, chopped walnuts
- 2 tbsp, melted butter
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Preheat oven to 400°F. Toss 2 lbs cubed butternut squash with 2 tbsp olive oil, 1 tsp dried thyme, and 1/2 tsp salt on a baking sheet.
- Step 2: Roast for 25 minutes until tender and golden at the edges, stirring once halfway through.
- Step 3: While squash roasts, combine 1/2 cup rolled oats, 1/4 cup chopped walnuts, and 2 tbsp melted butter in a small bowl.
- Step 4: Sprinkle the oat mixture evenly over the roasted squash, pressing gently to adhere.
- Step 5: Return to oven and bake for 10-12 more minutes until topping is golden and crisp.
Frequently asked questions
How long does Crisp-Topped Butternut Squash Casserole take to make?
Total time is about 50 minutes (15 min prep + 35 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 Crisp-Topped Butternut Squash Casserole?
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 butternut squash from drying out.
Can I substitute ingredients in Crisp-Topped Butternut Squash Casserole?
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 Crisp-Topped Butternut Squash Casserole for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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.
What goes well with Crisp-Topped Butternut Squash Casserole?
American vegetarian like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★★
This is my new favorite side dish! The butternut squash was perfectly cooked and the topping was amazing.
- ★★★★☆
The casserole was delicious, but the top wasn't as crisp as I hoped.
- ★★★★☆
Cooked it for my family and they loved it, though it took a bit longer than the recipe said.
