Melt butter in a large skillet over medium-high heat.

Add minced onions and garlic to the melted butter.

Cook the onions and garlic until the onions become translucent, about 7-10 minutes.

Add ground beef to the skillet and break it into pieces using a spoon or spatula.

Cook the ground beef until it is browned and no longer pink.

Sprinkle flour over the cooked ground beef.

Cook the flour for 2-3 minutes, stirring continuously.

Slowly whisk or stir in Worcestershire sauce, beef broth, and milk.

Bring the mixture to a boil, then reduce the heat to medium.

Simmer the mixture until it reaches your desired thickness, approximately 15-30 minutes.

Taste the sauce and add salt and pepper as needed to suit your taste.

Serve the S.O.S. over toast.