Steps
1. Pound chicken breast to an even thickness for quick grilling.
2. Season chicken with salt, pepper, paprika, and garlic powder.
3. Spray a non-stick pan with cooking spray and grill chicken over medium heat for 4-5 minutes each side until cooked through.
4. Lightly toast the bread slice.
5. Spread 1 tsp light mayo on the toasted bread.
6. Place grilled chicken on the bread, top with tomato slices.
7. Close the sandwich and serve immediately.