In a large salad bowl, combine the baby spinach leaves and arugula leaves.
Add the halved cherry tomatoes and sliced red onion to the bowl.
If using, sprinkle the crumbled feta cheese and toasted pine nuts over the salad ingredients.
Season the salad with salt and black pepper to taste. Be mindful of the salt content in the dressing and cheese.
Drizzle the desired amount of balsamic vinaigrette dressing over thesalad. Start with a small amount and add more according to your preference
Using mixing spoon or tongs, gently toss the salad ingredients until everything is evenly coated with the dressing.
Taste the salad and adjust the seasoning or dressing if necessary.
Once the salad is well mixed and seasoned to your liking, transfer it to a serving dish or individual salad plates.
Serve immediately as a refreshing appetizer or side dish alongside your favorite main course.
Enjoy your delicious and nutritious Spinach and Arugula Salad, savoring the combination of flavors and textures with every bite!