Place chicken breast halves between 2 sheets of plastic wrap; pound to 1/2-inch thickness.
Sprinkle chicken with salt and pepper.
Heat a large skillet over medium-high heat.
Add olive oil to pan.
Add chicken; saut for 3 minutes on each side or until done.
Transfer to a serving platter.
Add coarsely chopped garlic cloves to pan; saut for 1 minute, stirring constantly. Stir in cherry tomatoes and chicken broth, and bring to a boil. Cook 5 minutes, stirring occasionally. Spoon over chicken.