Coat a large nonstick skillet with olive oil-flavored cooking spray, and place over medium heat.
Add 1 teaspoon minced garlic, and saute 1 minute.
Add 2 medium zucchini, sliced and halved; sprinkle with 1/2 teaspoon salt and 1/4 teaspoon pepper. Cook until zucchini is tender, stirring occasionally.