Cost per Serving:
1. Preheat grill to medium-high heat.
2. Thinly slice 1 garlic clove. With a sharp knife, make 8 small slits in pork; insert garlic slices into slits. Coat pork with cooking spray; sprinkle with 1/4 teaspoon salt and 1/2 teaspoon pepper. Place pork on grill rack coated with cooking spray; grill 20 minutes or until a thermometer inserted in the thickest portion registers 155°, turning once. Let stand for 5 minutes; slice.
3. Mince the remaining garlic clove. Combine minced garlic, 1/4 teaspoon salt, 1/4 teaspoon black pepper, lemon rind, lemon juice, olive oil, and thyme in a large bowl, stirring well. Add lettuce and remaining ingredients; toss. Arrange 1 1/2 cups salad on each of 4 plates; top evenly with pork.