Roasted Chicken & Gravy

For Easter, I was torn about what to make for dinner. I made an herb-coated rack of lamb last year, which was great, but I wanted to do something different so I decided to just roast a chicken. I thought it would be delicious, easy, and the leftovers would be great. Ingredients [serves 4 to 6]: 1 whole chicken 3 tablespoons butter 1 lemon 2 tablespoons chopped fresh herbs (I used rosemary but