Step 1

In a medium pot over medium heat, add butter. When it starts sizzling, add onions and cook until soft, about 3 minutes. Add rosemary and sauté for 1 minute.

Step 2

Stir in broth, increase the heat to medium-high and bring to a boil.

Step 3

Transfer a couple ladles to a measuring cup and add Bisto®; whisk until well mixed. Pour Bisto mixture into the pot and reduce the heat to medium, Add Marsala wine, heavy cream and freshly ground black pepper; whisk well.

Step 4

When the gravy starts to simmer again, reduce the heat to medium-low and gently cook for 8 to 10 minutes or until the sauce thickens, whisking occasionally.

Step 5

Taste and adjust if needed, and then transfer the gravy into a gravy boat. Serve immediately.