Maple Sap

Homemade Maple Syrup Recipe

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How to Make Maple Syrup from Maple Sap

Tapping sugar maple trees is one of the first signs of spring. Maple syrup season starts when daytime temperatures climb to 35 degrees or more, and nighttime temperatures drop below freezing. (For our area this begins in late February to early March.) This temperature swing encourages the flow of sap from the roots through the trunk and to the branches. The end of the season occurs when sap flow decreases, or when the tree begins to produce buds for leaves (whichever comes first). You can tap any kind of maple tree, and produce flavorful sweet syrup. We have generic maple tree species that have grown where an old fence line was. Their sap may not be as good as the sap of the sugar maple tree, but they still produce delicious real maple syrup!

Collecting Sap Efficiently

When it comes to 4-H projects like these, our kids are extremely busy with extra curricular activities. So we try to come up with the most efficient way for them to get results. We purchased 5 gallon buckets for taps, allowing us to collect raw sap on the weekends. You can repurpose clean plastic milk jugs or water jugs, but at a 1 gallon max capacity, you’ll have to check on the sap level daily or every other day. If you are trying to figure out the number of taps you need, our maple trees put out on average 1 – 5 gallons from a single tap in per week. We use 12 taps, and will usually fill a 32 gallon garbage can per week. We bought an extra drill bit that we keep with the taps, which we have marked at 2.5 inches, which is the depth needed for the tap. We bought two different size taps to trial. There was no difference in output based on the size of the tap. The only difference we noticed is that the larger tap has a thicker spile (the tab at the top), which is sometimes needed for the extra force required when removing the taps.

Maple Sap Collection System

Maple Tree Sap Storage

To store the sap until the weekends, we purchased food-safe 32 gallon garbage cans (Amazon affiliate link). This also helps us to keep track of how the number of gallons of sap to boil down to syrup. It is really easy to lose track of how many 5 gallon buckets have been poured into the boiler, especially while drinking beer and sitting around the fire. 5 gallons of maple sap will usually yield just under a pint of syrup, and our full 32 gallon can of sap will yield just under a gallon of maple syrup.

Maple Sap Storage System

Shelf Life of Maple Sap

The cold nights of maple syrup season help extend the shelf life storage of the tree sap. Our sap lasts about a week, if we don’t get around to boil all of it down. If you have some warm days before you can boil, a trick we learned is to freeze 5-10 gallons of sap in 5 gallon buckets. We then put the blocks of frozen sap into the large containers. We’ve actually had sap last us 2 weeks because the 32 gallon container was mostly ice. (The hard part is thawing it enough to fit it into the evaporating pans when you’re ready to boil.) It will be ok if it gets a little cloudy, however I would boil cloudy sap in a separate batch. If it is bad, you will smell it when it boils.

Homemade Maple Sap Evaporator

We made our own maple sap evaporator using a metal 55 gallon drum (food grade), stainless steel pans (Amazon affiliate link), and a wood stove kit (Amazon affiliate link). The cheapest way to build an evaporator is to build a fire pit with cinder blocks, topped with expanded metal for the pans to sit on. In our first year, we used a turkey fryer. The turkey fryer worked, but the tall cylinder pan did not allow for excessive evaporation like the flat stainless pans. We burned through about 2 propane tanks, costing us about $50 for 2 quarts of maple syrup (from about 45 gallons of sap). Make sure to boil your sap outside. If you try to evaporate 96% of the water in the sap to make syrup, you’ll have a sticky mess on all surfaces of your garage (or in your house).

DIY Maple Sap Evaporator to Maple Syrup

Boiling Maple Sap into Maple Syrup

When boiling your maple sap to syrup, DO NOT try to boil it down as thick as commercial or store-bought syrup. Commercial maple syrups are mainly made up of corn syrup and artificial maple flavoring. Real maple syrup will be thick but still runny (think about warmed syrup). Many people heat commercial syrup to thin it out anyway. If you boil the maple sap too long, you’ll end up burning your sap and losing the whole batch. They make a maple sap hydrometer (Amazon affiliate link) which isn’t a bad investment to prevent over-boiling. (Don’t use a beer hydrometer, they are not accurate for the thicker syrups.) You can get by without a hydrometer, however you’ll find yourself with runnier syrup trying not to burn it. (Nothing is more frustrating than boiling 32 gallons of sap for 4 hours, and then burning it because it “wasn’t quite thick enough.”)

Health Benefits of Real Maple Syrup

There are surprising health benefits of regular consumption of maple syrup. Studies have shown that real maple syrup used as a sweetener results in a reduced plasma glucose spike when compared to sugar. Studies have also shown that real maple syrup has anti-cancer effects in the esophagus, gastric, colorectal, and pancreas. Real maple syrup also has a surplus of vitamins and minerals like zinc, potassium, calcium, and manganese. If you would like to substitute sugar with maple syrup in your daily diet, here are some tips to get you started:

  • Morning coffee
  • Cooking and baking – use 3/4 cup of maple syrup for every 1 cup of sugar, and reduce liquid by 3 tablespoons.
  • Oatmeal
  • Granola or protein bars
Maple Sap

Maple Syrup Recipe

Turn sap from a maple tree to healthy real maple syrup.
5 from 1 vote
Prep Time 20 mins
Cook Time 8 hrs
Course Breakfast
Cuisine American
Servings 1 Gallon

Equipment

2-4 2 gallon boiling pans
1 fire pit or outdoor burner

Ingredients
  

  • 40 Gallons Maple Sap ((tecently tapped from maple trees))

Instructions
 

  • Boil 4-8 gallons
  • When sap evaporates to about half level, combine both pans into one, and resume boiling.
  • Replace sap from empty pan with fresh sap from the taps. Bring to boil.
  • When the pan with the first batch of sap evaporates to half level, top off with fresh boiling sap. Resume boiling.
  • Repeat through the entire batch of maple tree sap. DO NOT OVERCOOK! 40 gallons of maple sap will yield about 1 gallon of maple syrup. Use hydrometer to determine thickness. (Real maple syrup will be runnier than store bought, and will thicken as it cools.)
  • Store maple syrup in refrigerator. Maple syrup will mold at room temperature.
Keyword maple sap, maple syrup
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5 from 1 vote

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