Chicken with mustard

For years now I have been reducing the amount of beef and chicken we eat and we are very fine with it: I use vegetables in many different ways, and they always[...]

1 (10 ounce) package puff pastry shells 2 1/2 cups cooked chicken, cubed 1/2 cup cherry tomatoes , halved 2 tablespoons shredded parmesan cheese 1/2 teaspoon[...]