1. Prep the Ingredients: Wash the spinach and berries thoroughly. Slice the strawberries and onion, and prepare the chicken.
2. Combine the Salad Base: In a large salad bowl, add the baby spinach, cooked chicken, and sliced strawberries.
3. Add Nuts and Cheese: Sprinkle the feta cheese and sliced almonds or walnuts over the salad mixture.
4. Incorporate Onions and Avocado: If you are using red onions and avocado, add them to the bowl and mix gently.
5. Dress the Salad: Drizzle your choice of balsamic vinaigrette dressing over the top.
6. Toss to Combine: Gently toss the salad to ensure all ingredients are evenly coated with the dressing.
7. Serve Immediately: This salad is best enjoyed fresh, so serve it right away!

These simple steps will guide you in creating your own Strawberry Chicken Spinach Salad, resulting in a dish that’s as delicious as it is nutritious.