Turkey Frittata Recipe - Italian-inspired dish with mushrooms, spinach, and lemon juice

Ingredients

• 0.5 cup sliced onion
• 1 clove minced garlic
• 1 tbsp oil
• 1 cup sliced mushrooms
• 1 cup chopped and defrosted spinach , squeezed dry
• 2 tbsp lemon juice
• 0.13 tsp black pepper
• 1 cup cooked and chopped turkey
• 6 beaten eggs