Stuffed Chicken in Curry Sauce with broth

1 tablespoon olive oil , divided 8 ounces sliced mushrooms, finely chopped 1/3 cup shallot , minced 1 cup fresh baby spinach 2 tablespoons fresh parsley ,[...]

2 boneless chicken breasts , with skin 4 slices prosciutto (thin slices) 2 garlic cloves , peeled and sliced thinly 1/4 teaspoon dried thyme 3 tablespoons[...]