Brown and crumble the breakfast sausage in a skillet over medium heat.
Drain off any excess grease.Whisk the eggs in a mixing bowl. Stir in the cheese and Bisquick, mixing well.
Fold in the cooked sausage.Evenly distribute the mixture into the muffin cups, filling each about two-thirds full
.Bake for about 20 minutes, or until the muffins are golden brown and a toothpick inserted into the center comes out clean.Let the muffins cool for a few minutes before serving.