Preheat oven to 400°.
Combine 2 teaspoons garlic, oil, 1/4 teaspoon salt, thyme, 1/4 teaspoon black pepper, and potatoes on a jelly roll pan coated with cooking spray. Bake at 400° for 30 minutes or until tender.
Heat a large Dutch oven coated with cooking spray over medium-high heat. Sprinkle chicken with 1/2 teaspoon salt and 1/4 teaspoon black pepper. Add half of chicken to pan; sauté 5 minutes or until browned. Remove chicken from pan. Repeat procedure with remaining chicken; remove from