COOK pasta according to package directions, adding frozen vegetables to boiling pasta water for last 2 minutes of cooking time; drain. Return pasta and vegetables to cooking pot.
MEANWHILE, COMBINE evaporated milk, cheese, pesto and black pepper in medium saucepan. Cook over medium low heat, stirring occasionally, until cheese is melted. Remove from heat.
POUR cheese sauce over pasta and vegetables. Add ham; stir until combined.