Bird Food

Homemade Suet Recipes

Every homemade suet recipe is the same three decisions: how much fat, how much starch, and whether it has to survive July. Get the ratio right and the rest is stirring.

Homemade suet is worth making for two reasons: you control what goes in it, and a batch costs a fraction of the same weight in shop cakes. It is also one of the few bird feeding projects where the technique genuinely matters, because the ratio of fat to starch decides whether your cake survives a warm afternoon.

Everything here works by volume, in cups, so it scales up or down without arithmetic. The base that most recipes are variations on is 1 part fat to 1 part peanut butter, plus about 3 parts dry.

Below: how to render fat properly, three recipes for different seasons, what to leave out, and how to mold and store the results. Background on which birds use suet and the temperature limits involved is in the suet guide.

What you need before you start#

Fat. Raw beef suet from a butcher counter, plain lard from a supermarket, or unsalted vegetable shortening. Beef suet is hardest and best in heat; lard is easiest to buy.

Peanut butter. Plain, unsalted, no added sugar, no xylitol. The reasoning is under peanuts for birds, including why the choking story attached to peanut butter has no evidence behind it.

Dry ingredients. Yellow cornmeal, quick-cooking oats and all-purpose flour. Cornmeal does most of the structural work; flour tightens the dough; oats add bulk and texture.

Optional inclusions. Black oil sunflower hearts, peanut chips, chopped unsalted nuts, dried unsweetened fruit, dried mealworms.

Equipment. A heavy pan or slow cooker, a fine sieve or cheesecloth, a spatula, and a mold. A square 8 inch (20 cm) baking pan lined with wax paper produces pieces that cut neatly to standard cage size.

How to render beef fat#

Rendering is melting and straining. It takes an afternoon of mostly waiting.

1. Chop or grind the raw fat into pieces no bigger than 1/2 inch (13 mm). Cold fat cuts more easily, so chill it first. A meat grinder or a food processor speeds this up considerably.
2. Melt it slowly in a heavy pan over low heat or in a slow cooker on low, for 2 to 3 hours. It should never smoke or fry. Stir occasionally.
3. Strain the liquid fat through cheesecloth or a fine sieve into a heatproof container. What stays in the sieve is meat, membrane and cracklings.
4. Let it set, then remelt and strain a second time. This double rendering is what separates fat that keeps for months from fat that turns in a fortnight.
5. Pour into containers and refrigerate. Properly rendered suet is hard, white and close to odorless.

Expect to lose roughly a quarter to a third of the starting weight to trimmings and water.

The classic winter cake#

High fat, softer texture, maximum calories for cold weather. This is what you want out in January alongside the rest of a cold weather feeding plan.

• 2 cups rendered suet or lard
• 1 cup plain peanut butter
• 2 cups yellow cornmeal
• 1 cup quick oats
• 1 cup black oil sunflower hearts or peanut chips

Melt the fat and peanut butter together over low heat until just liquid. Take the pan off the heat. Stir in the cornmeal and oats until evenly combined, then fold in the sunflower or peanuts. Press firmly into a lined pan to a depth of about 1 1/4 inches (3 cm), chill until solid, and cut into cage-sized squares.

This cake softens above about 80°F (27°C). It is a cold-season recipe and nothing else.

The no-melt summer dough#

Same idea, much more starch. The cornmeal and flour hold structure once the fat softens, which is the whole mechanism behind commercial no-melt cakes.

• 1 cup rendered suet or lard
• 1 cup plain peanut butter
• 3 cups yellow cornmeal
• 2 cups quick oats
• 1 cup all-purpose flour

Melt the fat and peanut butter, then work the dry ingredients in a cup at a time. The finished mix should feel like stiff cookie dough and hold a fingerprint without oozing. Press hard into the mold; a loosely packed no-melt cake crumbles.

This holds shape well into the 90s Fahrenheit (mid 30s Celsius). Hang it in shade anyway, and take it down in a genuine heat wave. More on warm-season adjustments in summer bird feeding.

Peanut butter plugs for logs and cones#

For a drilled suet log or a pine cone feeder you want a stickier mix that packs into a hole and stays there.

• 1 cup rendered suet or lard
• 1 1/2 cups plain peanut butter
• 2 cups cornmeal
• 1 cup quick oats

Mix as above, then chill until it is firm but still workable, roughly the consistency of cold modeling clay. Pack it into the holes with a spoon handle and press it down hard. Store loaded logs in the freezer and put out one at a time.

What to leave out#

• Salt and salted anything. Bacon grease, salted nuts, seasoned drippings. Birds handle excess sodium poorly.
• Bread, crackers and cereal. Cheap bulk with almost no nutritional value, and they turn to mush in rain.
• Sweetened dried fruit and sugary cereal. Unsweetened dried fruit is fine; candied is not.
• Leftover cooking oils and pan fats. Mixed, salted, often already rancid.
• Anything on the general exclusion list in what not to feed birds.

Sugar appears in some published recipes as a binder. Birds do not need it and it draws ants and wasps, so leave it out.

Molding, wrapping and freezing#

Chill the batch fully before cutting; warm suet tears rather than slices. Cut to your cage size, wrap each piece individually in wax paper or reusable wrap, and stack them in a sealed container in the freezer.

Label the container with the recipe and the date. Winter cake and no-melt dough look identical once frozen, and putting the wrong one out in June is the mistake this whole page exists to prevent.

Wash the cage between cakes. Old fat residue in the wire goes rancid and taints the next one, which is why suet feeders need washing more often than seed feeders under normal cleaning routines.

Troubleshooting#

Crumbles when cut. Too much dry ingredient, or pressed while too cold. Warm gently, work in melted fat a tablespoon at a time, repack and rechill.

Greasy and slumping at room temperature. Too much fat for the season. Add cornmeal and flour in equal parts until it stiffens.

Ignored by birds. Usually a location problem rather than a recipe problem. Suet cages need a vertical surface nearby, ideally a trunk or a pole. It also takes time: a new food in a new spot can sit for two weeks before a downy woodpecker commits to it.

Sour smell within days outdoors. The fat was not rendered thoroughly, or the batch included unstrained meat scraps. Render twice next time.

A season's batch plan#

• Late September: render your fat while the weather is cool, and make a double batch of the all-purpose base. Freeze it.
• November through February: run the winter cake. Replace it every week or two, faster if woodpecker traffic is heavy.
• March and April: stay on the winter cake. Early spring is harder on birds than midwinter and the demand does not drop.
• May through August: switch entirely to no-melt dough, in shade, in small pieces, and pause it during heat waves in favor of fruit or mealworms.
• Any month: if a cake smells sour, looks gray, or has visible mold, it goes in the trash. No exceptions and no scraping off the bad part.