COMBINE water, flour, garlic, bouillon, pepper and nutmeg in large, nonstick skillet; stir until smooth. Cook over medium heat, stirring constantly, for 8 to 10 minutes or until mixture boils and thickens. Remove from heat; stir in cheese and yogurt.
PREPARE pasta according to package directions. Add pasta to skillet; toss to coat. Sprinkle with parsley. Serve immediately.