HOW TO PRESSURE CAN HOMEMADE CHICKEN BROTH ✨ 1. Prepare your pressure canner by placing the rack in the bottom of the canner and filling it with 2-3 inches of water. Bring the water to 140°F. 2. I bring my refrigerated broth back to a boil in a large pot. Fill the hot jars with hot broth and measure the headspace with a ruler to allow one inch. 3. Wipe the rim of the jar clean with a paper towel dipped in vinegar. 4. Place the just-washed lids and rims on the jar. Tighten to fingertip tight. 5.