Butternut Squash and Sage Soup with back

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[...]

1 butternut squash, peeled and cubed 1 granny smith apple , peeled, cored and cubed 1 tablespoon butter 1 tablespoon olive oil 1 onion , small and chopped 2[...]