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Slow Cooker Spinach and Mozzarella Frittata

by Skinny Ms.

Slow Cooker Spinach and Mozzarella Frittata

If you’ve yet to try our mouth-watering Spinach and Mozzarella Fritatta, you don’t know what you’re missing! This slow cooker recipe combines the flavors of mozzarella cheese, onion, spinach, and eggs to create a savory and filling recipe that will have you coming back for more.

A frittata is a great alternative to a traditional omelette, or scrambled eggs. It is easier to make, because there is no flipping or hovering over the stove. This slow cooker spinach and mozzarella frittata is made even easier, because you toss the ingredients into the slow cooker  and leave it to bake on its own. Like so many of the healthy slow cooker recipes featured on our site, this dish is easy, convenient, and filled with delicious, healthy ingredients. Whether you are searching for a breakfast or brunch option, or you need a dish to share for a special occasion, this is it.

Spinach and Mozzarella Frittata tastes great, whether served hot or cold, and goes perfectly with a garden fresh salad or our Quinoa Rice Pilaf. We love to experiment by added sauteed mushrooms and goat cheese. What’s your favorite frittata add-in?

Slow Cooker Spinach and Mozzarella Frittata

Slow Cooker Spinach and Mozzarella Frittata

Yields: 6 Servings | Serving Size: 1/6 of entire recipe | Calories: 139 | Previous Points: 3 | Points Plus: 4 | Total Fat: 8 g | Saturated Fat: 1 g | Trans Fat: 0 g | Cholesterol: 94 mg | Carbohydrates: 4 g | Fiber: 1 g | Sugars: 2 g | Protein: 12 g


  • 1 tablespoon extra virgin olive oil
  • 1/2 cup diced onion
  • 1 cup 2% shredded mozzarella cheese, divided
  • 3 eggs
  • 3 egg whites
  • 2 tablespoons 1% milk
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon white pepper
  • 1 (packed) cup chopped baby spinach, with stems removed
  • 1 Roma tomato, diced
  • Salt to taste


In a small skillet, add oil and sauté onion on medium heat until tender, about 5 minutes.

Lightly spray the inside of the slow cooker with nonstick cooking spray. We like to make our own by filling this reusable cooking spray bottle with olive oil or canola oil.

In a large bowl, combine sautéed onion, 3/4 cup mozzarella cheese, and remaining ingredients; whisk to combine, and pour into slow cooker. Sprinkle remaining 1/4 cup cheese on top of egg mixture. Cover, and cook on LOW for 1–1 1/2 hours, or until eggs are set and a knife inserted in the center comes out clean.

Click here for the Top 10 Slow Cooker Recipes on Skinny Ms. If you love to cook with your CrockPot, don’t miss 50 Slow Cooker Recipes Under 299 Calories and the Top 10 Weight Watchers Crockpot Recipes

Besides convenient slow cooker recipes that novice and experienced cooks alike will appreciate, Skinny Ms. Slow Cooker cookbook offers:

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