The creamy salad dressing pairs perfectly with the spinach, bacon and croutons.

In a small bowl, whisk mayonnaise, oil, vinegar, basil, oregano, garlic salt and black pepper.
Add milk and refrigerate until ready to serve.
Divide spinach in four individual salad bowl.
Garnish with onions, bacon and croutons.
Pour 2 tablespoons of dressing on each bowl.