Go Back
Print Recipe
4 from 1 vote

Spaghetti Squash Frittata with Spinach, Tomato, and Feta

Spaghetti Squash Frittata with Spinach, Tomato and Feta is a light, yet filling meal that makes the perfect weekend brunch, lazy weeknight dinner, or make ahead breakfast! This simple frittata is naturally gluten-free, vegetarian, and loaded with flavorful veggies.
Prep Time10 mins
Cook Time35 mins
Total Time45 mins
Course: Breakfast, Main Course

Ingredients

  • 1 tbsp olive oil
  • 1/2 medium onion, diced (about 1/2 cup)
  • 1 large garlic clove, minced
  • 2 cups spinach, roughly chopped
  • 1 medium roma tomato, diced (about 1/2 cup)
  • 2 cups spaghetti squash, cooked*
  • 10 large eggs
  • 1/4 cup milk
  • 1/2 tsp salt
  • 1/4 tsp pepper
  • 1 medium roma tomato, thinly sliced
  • 1/2 cup crumbled feta, divided

Instructions

  • Preheat oven to 350 degrees Fahrenheit.
  • In a large bowl, whisk together eggs, milk, salt, pepper, and half of the feta (1/4 cup). Set aside.
  • In a 10" cast iron skillet (or similar size oven-proof skillet), heat olive oil over medium heat. Add onion and sauté, stirring frequently, until translucent. Add garlic and continue to cook until fragrant, about 30 seconds.
  • Add spinach to skillet and cook until wilted, about 1-2 minutes. Add spaghetti squash and diced tomatoes and stir until all ingredients are evenly dispersed in the pan.
  • Pour egg mixture over vegetables, lifting the spaghetti squash as needed to ensure that eggs are evenly dispersed. Top with tomato slices and remaining feta cheese.
  • Transfer skillet to preheated oven and bake for 25-35 minutes, until eggs are set. Remove from oven and allow to cool and set for at least 10 minutes before slicing.

Notes

Leftover frittata may be stored in the refrigerator for up to 3 days and reheated in microwave or oven.
To freeze individual slices of frittata, tightly wrap each slice in plastic wrap and aluminum foil and store in an airtight container or freezer-friendly ziplock bag. To defrost, place in refrigerator overnight or defrost in microwave immediately prior to reheating. Reheat in microwave or oven.
* Cook time listed does not include time needed to cook spaghetti squash. For a tutorial on how to roast spaghetti squash, visit this post. (Spaghetti squash may also be cooked in the microwave, though this method may result in a greater amount of moisture retained, which could ultimately affect the results of the frittata).