Butternut Squash and Parmesan Soup - With poultry

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 1 3-pound butternut squash—peeled, seeded, and cut into 1-inch cubes (5 to 6 cups) 3[...]

2 onions , roughly chopped 1 garlic clove , roughly chopped 1/2 teaspoon chili flakes (optional) 3 tablespoons olive oil 2 medium butternut squash 4 1/2 cups[...]

2 1/2 lbs butternut squash, halved lengthwise and seeded 4 large eggs , plus 2 egg yolks 2 cups half-and-half 1 1/8 ounces finely grated parmigiano-reggiano[...]