Here the wiki for sausage gravy and some of it's variations: http://en.wikipedia.org/wiki/Sausage_gravy
1 lb (500g) ground pork sausage
1/4 cup all-purpose flour
2 cups milk
Salt & black pepper to taste
Crumble and cook sausage in large skillet over medium heat until browned.
Stir in flour until dissolved.
Season with salt and pepper.
Gradually stir in milk. Cook gravy until thick and bubbly.
Serve over hot biscuits, scones or toast.
You don't just have to have this for brekkie, we had our for dinner one night.