Preheat oven to 350 degrees.
Grease an 8 inch springform pan with butter.
In a small bowl, combine bread crumbs, melted butter and Asiago cheese.
Press into bottom of prepared springform pan.
Bake for eight minutes.
Remove from oven and reduce temperature to 300 degrees.
Place greens in a large bowl.
Microwave for two minutes.
In a large mixing bowl, combine cream cheese, eggs, nutmeg, half & half and beer.
Beat until light and fluffy.
Add spinach, sundried tomatoes and onion.
Pour into prepared crust and bake for 1 1/2 hours.
Turn off oven and leave door ajar.
Cool pan in oven for one hour.
Refrigerate for three hours.
Remove from pan and cut into wedges.