In a large bowl, beat the butter, cream cheese and flour until smooth. Shape tablespoonfuls of dough into balls; press onto the bottom and up the sides of greased miniature muffin cups.
In a large skillet, cook sausage over medium heat until no longer pink; drain. Sprinkle sausage, Swiss cheese and chives into muffin cups. In a small bowl, beat eggs, cream, salt and pepper until blended. Pour into shells.
Bake at 375° for 28-30 minutes or until browned. Serve warm. Yield: 3 dozen.