Trim and chop spinach; set aside.
Cook pasta according to package directions, omitting salt and fat. Drain well.
Heat 1 teaspoon oil in a nonstick skillet over medium-high heat. Add garlic; saute 3 minutes. Reduce heat; stir in broth and next 4 ingredients. Add spinach; cover and cook just until spinach wilts. Combine cooked pasta and spinach mixture in a large bowl. Add remaining 1 teaspoon oil and cheese; toss well. Garnish with lemon wedges, if desired. Serve immediately.