Step 1

Prick the potatoes with a fork and microwave until cooked through.

Step 2

Meanwhile, melt the butter in the saucepan.

Step 3

Whisk the flour into melted butter. Cook, stirring occasionally over medium heat for 1 minute.

Step 4

Whisk the chicken broth into the flour and butter mixture until the mixture is smooth and thickened.

Step 5

Add the sage, rosemary, and vinegar into the thickened sauce.

Step 6

Stir the chicken and thawed vegetables into the sauce, and heat through.

Step 7

Spoon the chicken and sauce over the opened, baked potatoes.

Step 8

Serve immediately.