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Fall-Inspired Butternut Squash and Sage Frittata

This frittata features whisked eggs baked with tender roasted butternut squash, crispy sage, and melty cheese, resulting in a golden-brown dish with a fluffy interior and slightly crisp edges. It is cooked using baking and stovetop methods, offering a colorful and hearty presentation perfect for autumn mornings or quick dinners.
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 4
Course: Main Course
Cuisine: American
Calories: 320
Ingredients Equipment Method Notes

Ingredients
  

  • 1 small butternut squash peeled and cubed
  • 2 tablespoons olive oil for roasting and sautéing
  • 8 large eggs beaten
  • 0.5 cup shredded cheese such as Gruyère or cheddar
  • 8 leaves fresh sage roughly chopped
  • to taste salt and pepper

Equipment

  • Baking sheet
  • Skillet or oven-safe frying pan
  • Mixing bowl
  • Whisk
  • Rubber spatula

Method
 

  1. Preheat your oven to 400°F (200°C). Spread the cubed butternut squash on a baking sheet, drizzle with one tablespoon of olive oil, and roast until tender and lightly caramelized, about 20 minutes.
  2. While the squash roasts, whisk the eggs in a large mixing bowl until smooth and slightly frothy. Stir in the shredded cheese, chopped sage, salt, and pepper to taste. This creates a flavorful egg mixture with a creamy consistency.
  3. Place a skillet or oven-safe pan on the stovetop over medium heat. Add the remaining tablespoon of olive oil and let it warm up until shimmering. Sauté the chopped sage until crispy and fragrant, about 1 minute, which will fill your kitchen with an inviting aroma.
  4. Add the roasted butternut squash to the skillet, spreading it out evenly. Let it cook for a minute, allowing the edges to brown slightly and develop a toasty flavor.
  5. Pour the egg mixture evenly over the squash in the skillet. Use a spatula to gently distribute any ingredients and make sure the eggs settle into the pan’s edges. Allow the mixture to cook untouched for a couple of minutes until the edges begin to set and bubble.
  6. Transfer the skillet to the preheated oven and bake until the frittata is puffed, golden, and fully cooked through, about 12–15 minutes. You’ll see it rise slightly, with a firm but tender surface.
  7. Remove the skillet from the oven and let the frittata rest for a few minutes. Slice into wedges, revealing the fluffy interior layered with tender squash and melted cheese.

Notes

Feel free to add leftover cooked vegetables or swap the cheese for a sharper variety. Serve with a simple greens salad for a complete meal.