Cook the Sausage: In a large skillet over medium heat, crumble and cook the sausage until it's browned and nicely cooked through. This should take about 5-7 minutes.
Add Flour: Once the sausage is cooked, sprinkle the flour over the sausage and stir well to combine. Cook for another 1-2 minutes to remove the raw flour taste.
Pour in Milk: Gradually pour in the whole milk, stirring constantly to incorporate it into the mixture. This is where the magic happens!
Thicken the Sauce: Continue cooking, stirring frequently, until the gravy thickens, typically around 5-10 minutes. If it gets too thick, feel free to add more milk until you reach your desired consistency.
Season: Finally, taste your gravy and add salt and pepper as needed to enhance the flavors.
Serve: Pour the delicious sausage gravy generously over biscuits, toast, or whatever your heart desires!