Chicken Casserole with garlic

olive oil 5 whole skinless chicken breasts (approx 150g-175g a breast) 2 leeks , sliced 4 garlic cloves , crushed 200 g button mushrooms , some halved and[...]

2 ounces flour salt and pepper 8 chicken portions 1 teaspoon dried sage 4 ounces unsalted butter 8 slices streaky bacon , chopped 4 leeks , cut into 2in[...]