Preheat oven to 400 degrees F.
Place spinach in serving bowl.
Toss pecans with vegetable oil, sugar and salt. Lay out on baking sheet. Roast until shade darker and aromatic, about 7 to 8 minutes. Set aside.
Make dressing by combining olive oil, vinegar, shallots and salt and pepper in a bowl and whisking together or place in sealable container and shake.
Toss spinach with dressing, Gorgonzola and pecans.