In a skillet, cook sausage crumbles for 3-4 minutes, until heated and slightly browned. Cool slightly and add chives.
On a lightly floured surface, unroll crescent dough in a long rectangle. Seal seams and perforations. Cut into 48 pieces and press into the bottom and up the sides of greased muffin cups.
Fill each cup with about 2 teaspoons of sausage mixture.
In a mixing bowl, combine eggs and cheese. Add about 2 teaspoons of egg mixture on top of sausage in each cup.
Bake for 20-25 minutes, until a knife inserted in the center comes out clean.
Cool for 5 minutes and remove from pans to wire racks.