A Simple version:
1. Brown Sausage
2. Add Milk - qty depends on how much gravy you want
3. Heat to simmer
4. While heating, mix 3/4 cup milk with flour. beat until thickened. add flour as necessary
5. When gravy is at simmer, stir in flour/milk mixture
6. stir until thickened
7. Add pepper / salt / other seasonings as desired.
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