Creating this incredible dish is easy when you follow these straightforward steps:

1. Prepare the Chicken: Cut the chicken breasts into bite-sized pieces.
2. Heat the Oil: In a large skillet, heat the olive oil over medium-high heat.
3. Cook the Chicken: Add the chicken pieces to the skillet and season with salt and pepper. Cook for about 5-6 minutes or until the chicken is browned and cooked through. Stir occasionally.
4. Add Garlic: Once the chicken is almost cooked, add the minced garlic. Sauté for about 1 minute until fragrant.
5. Add Broccoli: Next, add the broccoli florets to the skillet. Stir well and cook for an additional 3-4 minutes until the broccoli is tender but still bright green.
6. Incorporate Spinach: Add the fresh spinach to the skillet and cook for another 2-3 minutes, allowing it to wilt down.
7. Season the Dish: Drizzle the soy sauce and lemon juice over the mixture. If using, add red pepper flakes for a bit of heat. Stir thoroughly to combine all the flavors.
8. Serve Hot: Remove from the heat and transfer to a serving dish.

These steps will help you create a sensational Garlic Chicken with Broccoli and Spinach effortlessly.