Rendering bacon grease means slowly melting the fat from bacon so you can save it for cooking. Gentle heat gives the fat time to separate from the meat without scorching, leaving you with flavorful cooking fat and crisp bacon bits.
Ingredients
- 8 ounces (225 g) bacon, sliced into pieces about ½ inch wide
- 1 tablespoon water (optional, to help the bacon heat evenly at the start)
Instructions
- Choose a pan. Set a heavy-bottomed skillet or saucepan over the stove. A light-colored pan makes it easier to see whether the small bacon pieces are browning too quickly. Have a heatproof jar or other suitable container ready for the finished grease.
- Add the bacon. Arrange the bacon in a single layer in the cold pan. Add the tablespoon of water if using. Starting cold gives the fat time to melt as the pan heats; the water will evaporate during cooking.
- Cook slowly. Set the burner to low or medium-low. Cook for about 15–25 minutes, stirring or turning the pieces occasionally so they render evenly. The exact time depends on the bacon’s thickness, the pan, and the burner. Lower the heat if the bacon is browning rapidly, smoking, or sticking.
- Check the result. The fat should be liquid and the bacon pieces browned and crisp, with most visible white fat melted away. If the pieces are crisp before much fat has collected, lower the heat and continue cooking gently for a few minutes.
- Separate the fat. Turn off the heat and let the pan settle briefly. Carefully pour the liquid fat through a fine-mesh strainer into a clean, dry, heatproof container. Use a spoon or tongs to move the bacon pieces; avoid splashing, since hot fat can cause serious burns. Let the strained grease cool before sealing the container.
- Save the bacon. Drain the crisp pieces on a paper towel. Use them promptly as a topping, or cool and refrigerate them separately if you plan to keep them. Do not leave cooked bacon sitting at room temperature for more than two hours, or more than one hour if the room is above 90°F (32°C).
Tips
- Keep the heat gentle. A slow render produces clean-tasting fat and reduces the chance of burned bits. Bacon grease may shimmer as it heats, but if it smokes, take the pan off the burner and let it cool before continuing at a lower setting.
- Use a dry container. Water and food crumbs can shorten the grease’s keeping quality. Strain through a fine-mesh sieve; for especially clean grease, line the sieve with a coffee filter, though filtering will take longer.
- Pour safely. Use a heatproof jar with a wide opening and a stable base. Never pour hot grease into a cold glass container that is not rated for heat, and do not handle the jar with wet hands.
- Don’t pour it down the drain. Bacon fat can cool and clog pipes. Let leftover grease solidify, then scrape it into the trash, or follow your local rules for disposing of cooking oil and fat.
Serving Suggestions
Use a teaspoon or two of rendered bacon grease to sauté onions, cabbage, green beans, or potatoes, or to start a pot of beans or soup. It also adds savory flavor to fried eggs, cornbread, and savory biscuits. Because bacon varies in saltiness, taste the finished dish before adding extra salt. Treat the grease as a flavorful cooking fat rather than a direct replacement for every neutral oil: its smoky, salty flavor is noticeable, and it is not suitable when you need a mild taste.
Variations
Oven method: Spread bacon pieces on a rimmed baking sheet and bake at 350°F (175°C), checking after about 15 minutes and then every few minutes until the bacon is crisp and the fat has collected. Timing varies with the bacon and oven. Strain the fat carefully while it is still liquid, and use an oven-safe pan to contain any splatter.
Small batch: Render just a few slices in a small skillet, using the same low-heat method. It may finish sooner, so keep a close eye on it.
For cleaner grease: Strain it once through a fine sieve, then filter it through a coffee filter while warm and pourable. Filtering removes fine solids; it does not make the grease safe to store indefinitely or at room temperature.
Storage and Reheating
Once the strained grease has cooled, cover it and refrigerate it promptly. For best quality and a cautious home-storage practice, use refrigerated bacon grease within about one month. Keep it in a clean, sealed container and discard it sooner if it develops an off smell, visible mold, or an unusual appearance. Do not taste grease to check whether it has spoiled. For longer storage, freeze it in a freezer-safe container or small portions; use within about six months for best quality and thaw in the refrigerator.
Some cooks keep carefully strained grease in a cool, dark cupboard, but refrigeration is the safer and more reliable recommendation for home kitchens, especially if the grease contains any food particles or moisture. Do not store it beside the stove, where heat and light can speed deterioration. To use refrigerated grease, scoop out the amount you need and warm it gently in a pan or microwave-safe dish until liquid. Avoid overheating or letting it smoke, and do not return used cooking fat to the storage container.
Frequently Asked Questions
How long does it take to render bacon grease?
For 8 ounces of sliced bacon, allow about 15–25 minutes over low to medium-low heat. Thin bacon and a wide pan may finish sooner; thick pieces or a crowded pan can take longer. Go by the browned, crisp bacon and the pool of melted fat rather than the clock alone.
Can I render bacon grease from raw bacon ends or scraps?
Yes. Cut the scraps into similarly sized pieces so they cook evenly, then render them slowly in a skillet. If the pieces are unusually thick, give them more time at low heat. Strain out the solids before storing the fat.
Why is my bacon grease dark or bitter?
It may have cooked too hot, or small pieces of bacon may have burned. Keep the burner low, stir occasionally, and remove the pan from the heat if the fat begins to smoke. Straining removes particles but will not fix a bitter, scorched flavor.
Does bacon grease need to be refrigerated?
Refrigeration is recommended for reliable home storage. Straining helps remove food particles, but it does not guarantee shelf stability. Keep the grease covered, use a clean utensil, and freeze it if you need to keep it longer.
Can I mix new grease with an older batch?
It is better not to. Mixing fresh grease into an older container makes it harder to track age and can introduce moisture or crumbs. Store each batch separately, or use the older batch first and add the fresh, cooled grease to a clean container.
What should I do with the crisp bacon pieces?
Drain them and use them as a topping for eggs, salads, baked potatoes, or vegetables. Refrigerate leftovers within two hours in a covered container and use them within three to four days, or freeze them for longer storage.