Using a more sensitive cutoff of 20 ng/mL (less common but still used by some labs), the most likely maximum times are 7 days and 21 days, respectively. In extraordinary circumstances of extended marijuana use, detection times of more than 30 days are possible in some individuals at the 20 ng/mL cutoff.sing a more sensitive cutoff of 20 ng/mL (less common but still used by some labs), the most likely maximum times are 7 days and 21 days, respectively. In extraordinary circumstances of extended marijuana use, detection times of more than 30 days are possible in some individuals at the 20 ng/mL cutoff.
Full Answer. 1  Prepare hot and cold tubs Fill a pan with enough water to submerse an entire chicken and heat it to around 160 degrees Fahrenheit. Have another pan full of slightly chilled water nearby. 2  Scald the chicken Dip the chicken carcass in the hot water for 5 to 10 seconds. Keep hold of the bird's feet and swirl it around slightly while it is in the water to make sure that the heat penetrates between all the feathers. Pull the chicken out quickly to keep the skin from cracking.
Roasting Chicken Breasts. Grease a shallow baking pan and place chicken breasts in a single layer. Add 1/4 cup of water to help prevent the breasts from drying out. Roast in a 350-degree oven for 20 to 30 minutes or until completely cooked.Fully cooked chicken will seep clear liquid when pierced with a fork or knife.For absolute safety, use a meat thermometer to ensure doneness.lace the chicken breasts in a single layer in the bottom of a slow cooker. If desired, add vegetables. Add 1/2 cup chicken broth or water. Cover and cook on low for 5 hours. If using frozen chicken breasts, cook for 8 hours.