Chicken Breast with Wild Mushrooms and Tarragon Sauce

Ingredients

• 3 tablespoons olive oil (or your favorite vegetable oil)
• 2 large shallots (thinly sliced)
• 1 pound mushrooms (wild, sliced)
• 1 1/2 teaspoons salt
• 2 tablespoons chopped fresh tarragon (or 2 teaspoons dried)
• 3 tablespoons flour, (grain-free flour alternative, or your favorite flour blend, divided)
• 4 chicken breasts (about 2 1/2 pounds)
• 1 1/2 cups chicken stock
• 2 tablespoons arrowroot powder (or corn starch)
• 1 clove garlic
• 1 tablespoon lemon juice (freshly squeezed)