preheat to 350

bake pecans in a single layer in a shallow pan 5-7minutes or until lightly toasted and fragrant, stirring halfway

prepare pasta according to package

cut broccoli florets from stems and separate florets into small pieces using tip of a paring knife.

whisk together mayo and next 4 ingredients in a large bowl, add broccoli, hot cooked pasta and grapes, stir to coat

cover and chill 3 hours

stir in bacon and pecans into salad just before serving