Chicken with Port-Mushroom Sauce and Roasted Vegetables

Chicken with Port-Mushroom Sauce
Ingredients:
4 Tablespoons butter
1 3/4 cup sliced mushrooms
4 skinless boneless chicken breasts
gluten-free flour (or corn starch) (I used the flour blend that I had on hand – don’t remember what’s in it)
1 teaspoon minced garlic
1/2 cup tawny Port
1/2 cup chicken broth
1/2 cup whipping cream
3/4 teaspoon dried rosemary
Directions:
Melt 2 tablespoons of better in a [...]