Creating The Ultimate Turkey Avocado Sandwich is simple if you follow these steps closely:

1. Prepare Your Ingredients: Wash and slice the tomato and cucumber. Set aside.
2. Mash the Avocado: In a small bowl, mash the avocado with a fork until creamy. Add salt and pepper to taste.
3. Toast the Bread (Optional): If you prefer a crunch, toast the slices of bread until golden brown. This step enhances flavor and texture.
4. Spread the Base: Spread mayonnaise or Greek yogurt evenly on one slice of bread. If using, spread Dijon mustard on the other slice.
5. Layer the Turkey: Place the turkey slices on top of the spread to create a hearty base.
6. Add the Greens: Layer the fresh spinach or arugula over the turkey for a pop of color and nutrition.
7. Top with Vegetables: Place the sliced tomato and cucumber on the greens, adding freshness and crunch.
8. Spread the Avocado: Generously spread the mashed avocado over the vegetables.
9. Season: Add additional salt and pepper if desired, enhancing flavor.
10. Close the Sandwich: Place the second slice of bread on top, pressing down gently.
11. Slice and Serve: Cut the sandwich in half, either diagonally or vertically, for easy handling.

Following these straightforward instructions will help you master this amazing sandwich in no time!