Grilled Mexican Chicken Sandwiches

My mom made this recipe for a girls luncheon that she had and it was love at first bite. This is honestly Steve's most requested recipe. Super simple and equally delish! Serves 4

Ingred.
1 and 1/2 tbls Olive Oil
2 cloves garlic, minced
2 tsp chili powder
1/4 tsp cayenne pepper (optional)
4 bonesless skinless chicken breasts
1 and 1/2 cups shredded mexican cheese
1/3 cup mayo
4 slices sour dough bread
1/2 cup chunky salsa (optional)

In a small bowl, combine oil, chili powder, and pepper. Spread evenly over both sides of chicken. Grill or broil chicken for 5 minutes per side or until cooked through.
Meanwhile, combine 1 cup of the cheese and mayo, mix well. Place bread around grill or broiler rack and toast slightly on one side. Turn bread over and spread evenly with cheese mixture. Return to grill or broiler, cheese side up and cook 2 minutes or until cheese begins to melt.
Place chicken on toasted breaed and top with salsa. Sprinkle withremaining cheese