Get Your Free Chicken Bone Broth Guide

What Chicken Bone Broth Is and How It's Made

Chicken bone broth is a liquid made by slowly simmering chicken bones, joints, and connective tissues in water for an extended period. The process typically takes between 12 to 24 hours, though some recipes call for even longer cooking times. During this extended simmering, the bones break down and release various compounds into the water, creating a nutrient-dense liquid that differs from regular chicken stock in both preparation method and composition.

The basic ingredients needed for homemade chicken bone broth are simple: chicken bones (from whole chickens, rotisserie chickens, or saved bones from previous meals), water, and optionally vegetables like onions, carrots, and celery. Some recipes include apple cider vinegar or lemon juice, which may help extract minerals from the bones. Salt and spices are typically added near the end of cooking to taste.

The slow cooking process is what distinguishes bone broth from standard chicken stock. When bones are heated at a low temperature for many hours, the collagen in the connective tissues gradually breaks down into gelatin. This is why homemade bone broth often becomes gel-like when cooled to room temperature—a sign that collagen has been extracted. The extended cooking time also allows minerals like calcium, magnesium, and phosphorus to leach from the bones into the liquid.

According to USDA food composition databases, the exact nutritional content of bone broth varies based on the bones used, cooking time, and water ratio. Chicken bone broth typically contains protein, though the amount depends on how much meat remains on the bones. The broth also contains amino acids like glycine and proline, which are components of collagen.

Understanding the basic science of how bone broth is made helps explain why cooking time matters and why the appearance and texture of finished broth can vary. This knowledge is practical when you're making your own batches and wondering whether your broth is developing correctly.

Practical Takeaway: Bone broth requires minimal ingredients but significant time. Plan to dedicate a day for preparation and cooking, using bones you might otherwise discard from meals.

Step-by-Step Instructions for Making Bone Broth at Home

Making chicken bone broth at home begins with gathering your bones. You can use bones from a whole raw chicken, bones left over from a rotisserie chicken dinner, or accumulated bones saved in your freezer. Most recipes call for 2 to 3 pounds of bones per gallon of water, though the exact ratio is flexible. Raw bones and cooked bones both work, though some sources suggest raw bones may yield a clearer broth.

Start by placing your bones in a large pot and covering them with cold water. Some recipes recommend blanching the bones first—bringing them to a boil, draining the water, and rinsing them before starting fresh. This step is optional and removes some impurities that might make the broth cloudy. If you skip blanching, you can simply skim any foam or impurities that rise to the surface during the first hour of cooking.

Bring the water to a boil, then reduce the heat to very low. The broth should barely simmer—you want small, occasional bubbles rather than a rolling boil. Add your optional vegetables (onion, carrots, celery) and any herbs after the first hour of cooking. If you're using apple cider vinegar or lemon juice, add it at the beginning; some believe it helps extract minerals from the bones.

Let the broth simmer for 12 to 24 hours. Stovetop broth requires occasional monitoring to ensure the liquid isn't boiling too vigorously and isn't evaporating too quickly. For a more hands-off approach, many people use a slow cooker or Instant Pot. A slow cooker on low heat can run for 24 hours with minimal supervision. An Instant Pot can produce bone broth in 2 to 3 hours under pressure, though this shorter cooking time may extract fewer minerals than longer methods.

When the cooking time is complete, strain the broth through a fine-mesh strainer or cheesecloth, discarding the bones and solids. Allow the broth to cool to room temperature, then refrigerate. Once chilled, any fat will solidify on the top and can be removed if desired, or left in for additional flavor and calories.

Practical Takeaway: Choose your cooking method based on your schedule. Stovetop allows you to monitor the process; slow cooker offers convenience; Instant Pot saves time but with potentially different results.

Storage, Shelf Life, and Food Safety Considerations

Proper storage is essential for maintaining the safety and quality of homemade chicken bone broth. Refrigerated broth typically stays fresh for 3 to 4 days when stored in an airtight container. For longer storage, freezing is the standard method. Bone broth can be frozen in various containers: ice cube trays for small portions, quart-sized containers for larger amounts, or even muffin tins for medium portions.

According to food safety guidelines from the USDA, properly stored frozen broth maintains quality for several months. When freezing, leave some headspace in containers since liquids expand as they freeze. Once frozen, transfer broth from ice cube trays to freezer bags for easier storage and to save space. Label your containers with the date so you know when you made them.

When thawing frozen broth, do so in the refrigerator rather than at room temperature to minimize bacterial growth. Thawing in the refrigerator takes several hours or overnight, depending on the amount. Once thawed, use the broth within a few days. Alternatively, you can heat broth directly from frozen on the stovetop or microwave for convenience.

The appearance of stored broth can vary without indicating spoilage. Refrigerated broth may separate, with fat rising to the top and a clear layer forming below; this is normal. When reheating, stir to recombine, or reheat just the liquid portion if you prefer to remove fat. A jelly-like consistency when cold indicates successful gelatin extraction and doesn't affect safety or quality.

Signs that broth has spoiled include an off smell, visible mold, or cloudiness accompanied by an unpleasant odor. If broth has been left at room temperature for more than 2 hours, it should be discarded. Broth that smells sour or fermented has likely been contaminated and should not be consumed.

Practical Takeaway: Freeze bone broth in ice cube trays immediately after cooling for convenient portion-sized servings that last for months. Always thaw in the refrigerator, never at room temperature.

Nutritional Information and What Research Shows

The nutritional profile of chicken bone broth reflects the slow extraction of compounds from bones and tissues. A typical serving (1 cup or 240 ml) of homemade chicken bone broth contains approximately 15 to 20 grams of protein, depending on how much meat remains attached to the bones. The broth also typically contains collagen and gelatin, which break down into amino acids during cooking.

Bone broth contains several amino acids, including glycine, proline, and glutamine. These are non-essential amino acids, meaning your body can produce them, but they're also found in dietary sources. Glycine in particular is abundant in collagen-rich foods and has been studied for its potential roles in joint health, sleep quality, and digestive function. Research in this area is ongoing, and more studies are needed to determine specific health effects in humans.

The mineral content of bone broth includes calcium, magnesium, phosphorus, and other trace minerals extracted from the bones. The amount varies based on cooking time, water type, and whether acidic ingredients like vinegar were used. Studies show that longer cooking times do increase mineral extraction, though the bioavailability—how much your body actually uses—of these minerals is still being researched.

Published research on bone broth is limited compared to individual nutrients it contains. Most studies have focused on collagen peptides or specific amino acids rather than whole bone broth. Some research suggests collagen supplementation may support joint health and skin elasticity, but these studies often use isolated collagen rather than whole bone broth. Before making dietary changes or using bone broth as a treatment for specific conditions, it's reasonable