Place pasta, garlic, cream and broth in an 11″ saute pan. Cover and bring to a boil over medium high heat. Cook for 12-15 minutes, stirring frequently, until pasta is tender. Salt and pepper to taste. Remove from heat, stir in mayonnaise, parmesan and corn. Garnish with parsley.
To grill corn: shuck corn, rub with olive oil. Place on a hot grill, cook each side just until kernels begin to char. Remove and allow to cool slightly before slicing kernels from cob.