1. Remove the thyme leaves from the sprigs. Roughly chop the pecans.
2. Heat a sauté pan over high heat and dry-toast the pecans until they start to brown. Set aside outside of the pan.
3. Heat half of the butter in the same sauté pan, add the orzo and stir for 1 minute over medium heat. Add the broth and, covered, cook the orzo for 10 to 12 minutes over low heat, until fully absorbed. Stir regularly to prevent sticking.
4. Meanwhile, heat the remaining butter in another wok and, covered, cook the diced butternut squash and thyme with 1 tbsp of water per person for 4 to 6 minutes. Add 2/3 of the spinach and stir until wilted.
5. Stir in half of the grana padano cheese into the orzo. Then add the squash and spinach, and stir. Season with salt and pepper.
6. In a salad bowl, prepare the vinaigrette by mixing olive oil and white wine vinegar. Add the remaining spinach and stir.
7. Serve the orzo on plates. Garnish with the remaining grana padano cheese and pecans. Serve with the salad.