Healthy Kale Mushroom Frittata - Sugar-Free Mom

Ingredients

• 1 tablespoon olive oil
• 1 teaspoon minced garlic
• 1 cup chopped onion
• 1 cup chopped kale, stems removed
• 1 1/2 cup sliced mushrooms
• 4 eggs
• 2 egg whites
• 1/4 cup milk ( I used 1 %)
• 1/4 cup grated Parmesan cheese
• 1/4 teaspoon salt
• pepper to taste