Eat-Your-Spinach Frittata

Ingredients

• 1 teaspoon avocado oil
• 1 teaspoon minced garlic
• 4 cups baby spinach leaves
• 3 whole eggs, plus 4 egg whites
• ½ teaspoon salt
• ¼ teaspoon pepper
• ½ yellow onion, chopped
• ¼ cup red bell pepper, minced
• 2 potatoes, peeled and shredded
• ¼ cup shredded low fat mozzarella