Butternut squash crostini is a delightful and flavorful appetizer perfect for the fall season. This recipe combines the natural sweetness of butternut squash with the creaminess of ricotta cheese, the crunch of toasted walnuts, and the earthiness of sage, all on top of a crispy baguette slice. You’ll love this butternut squash crostini recipe for its ease of preparation, the beautiful presentation, and the delicious taste that will impress your guests.
Table of Contents
Why You’ll Love This Recipe
- Easy to make ahead: The squash mixture can be prepared up to 3 days in advance, making it perfect for holiday entertaining.
- Customizable: You can adjust the amount of honey and balsamic glaze to your taste, and even add other toppings like chopped fresh herbs or a sprinkle of parmesan cheese.
- Delicious and healthy: This recipe is a great way to enjoy the nutritional benefits of butternut squash, which is high in fiber, vitamins, and minerals.
Key Ingredients & Substitutions

To make this butternut squash crostini, you will need:
1 medium butternut squash (about 2 pounds), peeled and cut into 1/2-inch cubes
4 tablespoons olive oil, divided
1/2 teaspoon kosher salt
1/4 teaspoon ground black pepper
1/2 teaspoon dried thyme
1 large French baguette, sliced into 24 rounds (1/2-inch thick)
1 large garlic clove, peeled and halved
1 cup whole milk ricotta cheese
1/4 cup walnuts, toasted and finely chopped
2 tablespoons honey
1 tablespoon balsamic glaze
1 tablespoon fresh thyme leaves, for garnish
If you want to substitute some ingredients, you can try using Honeynut squash instead of butternut squash for a sweeter and more intense flavor. You can also use goat cheese or cashew cheese instead of ricotta cheese for a different taste.
Step-by-Step Instructions

1. Preheat your oven to 400°F (200°C) and line a large rimmed baking sheet with parchment paper.
2. In a large mixing bowl, toss the cubed butternut squash with 2 tablespoons of olive oil, salt, black pepper, and dried thyme until the cubes are evenly coated.
3. Spread the squash in a single layer on the prepared baking sheet. Roast for 20 to 25 minutes, tossing halfway through, until the squash is fork-tender and the edges are caramelized and brown.
4. While the squash roasts, place the baguette slices on a separate baking sheet and lightly brush both sides with the remaining 2 tablespoons of olive oil.
5. Bake the baguette slices for 6 to 8 minutes, flipping once, until they are golden brown and crisp.
6. Remove the toasted bread from the oven and immediately rub the top of each warm slice with the cut side of the halved garlic clove.
7. In a small bowl, whisk the ricotta cheese briefly until smooth and creamy.
8. Spread about 2 teaspoons of ricotta cheese onto each toasted baguette slice.
9. Top the ricotta with a spoonful of the roasted butternut squash cubes, pressing them gently into the cheese so they stay in place.
10. Sprinkle the chopped walnuts and fresh thyme leaves over the top of the squash.
11. Drizzle each crostini with honey and balsamic glaze just before serving to maintain the crispness of the bread.
For a different twist, you can try making Sausage and Potato Campfire Foil Packets as a side dish or a main course. This recipe is perfect for outdoor gatherings and can be made ahead of time.
Expert Chef Tips & Troubleshooting
To prevent the crostini from becoming soggy, make sure to toast the bread until it’s crispy and let it cool completely before assembling the dish. You can also apply a thick layer of cheese or a non-dairy spread to act as a moisture barrier between the bread and the squash.
If you’re looking for a make-ahead breakfast option, consider making a Make Ahead Breakfast Casserole. This recipe is easy to prepare and can be refrigerated overnight, making it perfect for busy mornings.
For a crunchy snack, you can try making Crispy Fried Banana Peppers. This recipe is easy to make and can be served as a side dish or a snack.
To roast butternut squash in an air fryer, toss the 1/2-inch squash cubes with olive oil and seasonings, then air fry at 400°F for 12–15 minutes. Shake the basket halfway through to ensure the pieces become tender and caramelized on all sides. For more information on food safety guidelines for leftovers, follow official guidance on food safety guidelines for leftovers.
Storage, Make-Ahead & Reheating

The squash mixture can be made up to 3 days in advance and stored in an airtight container in the refrigerator. To reheat, simply assemble the crostini and bake in a preheated oven at 350°F for 5-7 minutes, or until the bread is crispy and the cheese is melted. You can also follow official guidance on USDA nutritional profile for more information on the nutritional benefits of butternut squash.

Butternut Squash Crostini
Equipment
- Oven
- Baking Sheet
- Mixing bowl
- Spoon
Ingredients
Butternut Squash
- 1 medium butternut squash peeled and cut into 1/2-inch cubes
Olive Oil
- 4 tablespoons olive oil
Salt
- 1/2 teaspoon kosher salt
Black Pepper
- 1/4 teaspoon ground black pepper
Thyme
- 1/2 teaspoon dried thyme
Baguette
- 1 large French baguette sliced into 24 rounds (1/2-inch thick)
Garlic
- 1 large garlic clove peeled and halved
Ricotta Cheese
- 1 cup whole milk ricotta cheese
Walnuts
- 1/4 cup walnuts toasted and finely chopped
Honey
- 2 tablespoons honey
Balsamic Glaze
- 1 tablespoon balsamic glaze
Thyme Leaves
- 1 tablespoon fresh thyme leaves for garnish
Instructions
- Preheat your oven to 400°F (200°C) and line a large rimmed baking sheet with parchment paper.
- In a large mixing bowl, toss the cubed butternut squash with 2 tablespoons of olive oil, salt, black pepper, and dried thyme until the cubes are evenly coated.
- Spread the squash in a single layer on the prepared baking sheet. Roast for 20 to 25 minutes, tossing halfway through, until the squash is fork-tender and the edges are caramelized and brown.
- While the squash roasts, place the baguette slices on a separate baking sheet and lightly brush both sides with the remaining 2 tablespoons of olive oil.
- Bake the baguette slices for 6 to 8 minutes, flipping once, until they are golden brown and crisp.
- Remove the toasted bread from the oven and immediately rub the top of each warm slice with the cut side of the halved garlic clove.
- In a small bowl, whisk the ricotta cheese briefly until smooth and creamy.
- Spread about 2 teaspoons of ricotta cheese onto each toasted baguette slice.
- Top the ricotta with a spoonful of the roasted butternut squash cubes, pressing them gently into the cheese so they stay in place.
- Sprinkle the chopped walnuts and fresh thyme leaves over the top of the squash.
- Drizzle each crostini with honey and balsamic glaze just before serving to maintain the crispness of the bread.
Notes
- Calories: 210
- Protein: 6g
- Carbohydrates: 28g
- Fat: 9g
- Saturated fat: 2.5g
- Cholesterol: 10mg
- Sodium: 310mg
- Potassium: 320mg
- Fiber: 3g
- Sugar: 8g
Frequently Asked Questions
Can I make the butternut squash topping in advance?
Yes, you can roast the squash and prepare the creamy base up to 3 days before your event. Store the components in separate airtight containers in the refrigerator to maintain their texture and flavor. For the best results, assemble the crostini just before serving to ensure the toasted bread remains perfectly crisp.
How do I roast butternut squash for crostini in an air fryer?
To save oven space, toss your 1/2-inch squash cubes with olive oil and seasonings, then air fry at 400°F for 12–15 minutes. Shake the basket halfway through to ensure the pieces become tender and caramelized on all sides. This method is significantly faster than traditional roasting and creates the ideal “jammy” consistency for topping bread.
What is the best way to prevent the crostini from becoming soggy?
To maintain a crunch, allow the toasted bread and the roasted squash to cool slightly before assembly, as steam can soften the crust. If you are preparing these for a party, apply a thick layer of cheese or a non-dairy spread first to act as a moisture barrier between the bread and the squash. If they do soften, a quick 3-minute flash in a 350°F oven can help revive the crispness.
Can I substitute Honeynut squash for butternut squash in this recipe?
Honeynut squash is a fantastic substitute that offers a more intense sweetness and a creamy texture that pairs beautifully with savory herbs. Because Honeynut squash is smaller and more tender, it may roast faster than standard butternut squash, so check for doneness around the 15-minute mark. Its vibrant orange color also provides a more striking visual presentation for holiday appetizers.
























