How to Make It
Preheat oven to 350°. Bake pecans in a single layer in a shallow pan 5 to 7 minutes or until lightly toasted and fragrant, stirring halfway through.
Meanwhile, cut broccoli florets from stems, and separate florets into small pieces using tip of a paring knife. Peel away tough outer layer of stems, and finely chop stems.
Whisk together mayonnaise and next 4 ingredients in a large bowl; add broccoli, hot cooked pasta, and grapes, and stir to coat. Cover and chill 3 hours. Stir bacon and pecans into salad just before serving.