Step 1

Ask butcher to grind beef fat. If this is not an option, grind it in a food processor while it is very cold, or cut it into fine pieces with a knife.

Step 2

Put ground or cut up beef fat into crockpot.

Step 3

Add salt and water. For a larger amount of fat, use more salt and water. For a smaller amount, use less.

Step 4

Turn crockpot to low, and allow beef fat to render for several hours, stirring occasionally.

Step 5

When rendering is finished, strain liquid tallow and water into a large bowl.

Step 6

Allow tallow and water to cool in refrigerator or other cold place.

Step 7

While tallow is cooling, wash crockpot.

Step 8

When tallow is very firm, remove tallow cake from bowl and discard water.

Step 9

Scrape bottom of tallow cake to remove discoloration.

Step 10

Cut tallow cake into quarters and put them into clean crockpot.

Step 11

Add same amount of salt and water.

Step 12

Turn crockpot to low and bring tallow and water to a simmer.

Step 13

Allow to simmer for about an hour.

Step 14

Strain tallow and water into large bowl again.

Step 15

Allow tallow to cool a second time.

Step 16

When tallow is solid, remove tallow from bowl and scrape bottom of tallow cake again to remove any discoloration.

Step 17

Store tallow in chunks, or melt tallow in a double boiler and pour into jars for storage, being careful to not get any water into finished tallow.