Biscuits usually cook through at about 60 minutes, but cooking times may vary by crockpot., Avoid lifting the lid too often to keep heat in and ensure biscuits cook properly., Dumplings are done when they have a firm, doughy texture and are not raw in the center., Bring the veggie mixture to a simmer by setting the crockpot to high before adding biscuit dough for best results., Use buttermilk or homestyle biscuits instead of cheap canned biscuits for fluffier dumplings., Add extra chicken broth for a soupier version., Use homemade biscuit dough or crescent rolls as substitutes for canned biscuits., Fresh veggies like carrots, green beans, or celery can be used instead of frozen or canned vegetables., Chicken thighs or rotisserie chicken can be used in place of chicken breasts., Leftover turkey can be used as a substitute for chicken., Diced potatoes can be added for extra texture and flavor., Store leftovers in airtight containers in the fridge for 2-3 days., Reheat leftovers on stovetop or microwave., Freeze chicken and vegetable mixture without biscuits for up to 3-4 months, add biscuits when reheating and cook until done.