COOK and stir garlic in hot oil in large skillet on medium heat until tender. Stir in broccoli; cook 3 min., stirring occasionally.
PLACE chicken broth, broccoli mixture and 1/4 cup of the walnuts in blender container; cover. Blend until smooth; stir in cheese. Place in large bowl.
ADD pasta, ham, tomatoes and remaining 1/2 cup walnuts; mix lightly.