Southern Biscuits and Gravy

1/2 pound bulk pork breakfast sausage
2 tablespoons chopped yellow onions
3 tablespoons flour
2 cups hot milk
Salt and pepper, to taste
1 batch Southern Biscuits

Heat frying pan and fry the sausage and onion until the sausage is brown and the onion clear. Drain off all grease except for 2 tablespoons. Stir in the flour and cook for just a minute. Add the hot milk. Stir constantly until the mixture thickens and then season with salt and pepper.

Serve over warm opened biscuits.