Whisk together until smooth, then add half the milk and whisk again until smooth and lump-free. Whisk in the remaining ... Meanwhile, make the gravy. Add the butter to a small saucepan over ...
Sprinkle in the flour and mix ... the gravy in the fridge if frozen, then gently bring back to a simmer in a saucepan to heat through thoroughly. This gravy can easily be made gluten free.