01 - Combine softened cream cheese, mayonnaise, garlic powder, salt, and pepper in a small bowl until smooth.
02 - Arrange tortillas on a clean work surface. Evenly spread the cheese mixture over each tortilla, leaving a 1/2-inch border.
03 - Distribute spinach leaves in an even layer over the cream cheese spread.
04 - Top spinach with cheese slices, deli meat if using, carrot, and bell pepper, ensuring even coverage.
05 - Starting at one end, roll each tortilla tightly into a log shape.
06 - Wrap each tortilla roll in plastic wrap and refrigerate for a minimum of 30 minutes to set.
07 - Using a sharp knife, remove plastic wrap and cut each roll crosswise into 1-inch thick pinwheels.
08 - Place pinwheels on a serving platter. Serve chilled or at room temperature.