Toss it in a salad - Warm, just-tender chunks of sweet squash make a wonderful add-in for a spicy arugula salad (and fall is the perfect time for cold weather-loving greens like arugula): Warm Butternut Squash and Arugula Salad.
Put the garlic head in a small ovenproof dish, garlic cooker, or pan. Pour 1/2 teaspoon olive oil over the top of each bulb and let it sink in between the cloves. Wait 2 minutes and then repeat with another 1/2 teaspoon olive oil over each garlic bulb.
In the pot used to cook the pasta, heat 2 teaspoons of olive oil on medium-high until hot. Add the garlic, garlic chives and lemon zest; season with salt and pepper. Cook, stirring frequently, 2 to 4 minutes, or until the garlic is golden brown and the garlic chives are bright green.