Step 1

In a medium sized skillet, melt the butter, then add the flour and whisk together. Cook for a 2 - 3 minutes while stirring.

Step 2

Whisk in the milk and bring to a simmer, stirring frequently until the milk has thickened, about 5 to 10 minutes. Remove from heat.

Step 3

Stir in the chopped beef and season with salt and pepper to taste.

Step 4

Spoon the creamed mixture over the slices of toast.