The best way to cook them is to either roast them in the oven, of grill them either on a regular BBQ or on a grill pan on the top of your stove.I love the way grilled chicken looks when compared to creamy white alfredo sauce. It looks like you really put a lot of time an effort into it.
Broiling does not use water. Broiling is placing under direct heat in the oven. Like a grill turned upside down.
Poaching requires water. Never poach. Its a waste of flavor and time.
when you boil chicken in water you leach all the flavor into the water and then you toss the water out, getting ride of all the flavor.
Turn your oven on to 350 degrees. preheat until temp is reached.
lay your chicken out on a heat safe tray or baking sheet. Rub each with a little veggie oil. Just a touch. A teaspoon or so. Then rub each with salt and pepper.
Place in the oven and cook about 10-12 minutes. The ideal method is to have a thermometer and be able to test the chicken. Its done when the temp of 165 degrees. No more. No less. Dried chicken comes from over cooking. When done properly, oven roasted chicken is the best. the heat produces a deeper, richer flavor. Without loss by boiling the meat.
When done, take the chicken out of the oven. Let rest till cool enough to handle, then slice into thin strips and then you are set to add them to your sauce.
Grilling is the same step: pat the breasts dry with paper towels. Rub in a bit of oil. season with salt and pepper. toss on a preheated grill. Cook about the same time. Turning the breast on the grill to get the great grill marks.
cook until temp reaches, 165 degrees. Remove. cool. slice.
Chicken is an incredible meat. Moist and tender. If, you dont over cook it. Your very best bet is to buy a thermometer and keep it handy. You will never have dried chicken again if you use it properly. That goes for pork and beef as well.
times will change a bit with the sizes of the chicken breasts and the accuracy of your oven. So its vital to know what the temp is and not guess. Then once you get good with that. You can change things up a bit. With the salt and pepper, try a touch of powdered rosemary to the chicken. Or a pinch of garlic powder. You can really change and enhance the flavor with just a little change in the recipe.
so: NEVER, ever poach. Its just a waste of flavor.
Buy yourself a thermometer.
cook chicken only till its done. 165 degrees. No more, no less
enjoy