Best Corn Syrup Substitutes (With Ratios)
The best corn syrup substitute is golden syrup, swapped 1:1. It's an invert sugar syrup that blocks crystallization just like corn syrup, so it works in pecan pie, caramel, candy and sauces. For clear, neutral candy work, glucose syrup is the closest match.
Corn syrup substitutes and ratios
| Substitute | Amount per 1 cup light corn syrup | Best for | Why it works |
|---|---|---|---|
| Golden syrup | 1 cup | Pecan pie, caramel, flapjacks, sauces | Invert sugar prevents crystals; mild toffee flavour |
| Glucose syrup | 1 cup | Candy, marshmallows, fondant, sorbet | Essentially the same glucose-based syrup |
| Homemade invert syrup | 250 g sugar + 80 mL water + 1/4 tsp cream of tartar, cooked to 112 °C / 235 °F | Candy, caramel, glazes | Acid and heat split sucrose into glucose and fructose |
| Brown rice syrup | 1 cup | Granola bars, popcorn balls | Glucose-rich, sticky, less sweet |
| Honey | 1 cup | Pies, bars, sauces | Glucose and fructose resist crystallizing; strong flavour |
| Agave nectar | 1 cup | Sauces, drinks, no-bake bars | Liquid simple sugars; thinner and sweeter |
| Maple syrup | 1 cup | Pecan pie, glazes | Sweet and liquid; thinner and less crystal-proof |
What corn syrup does
Corn syrup is made by breaking down corn starch into glucose and short glucose chains, then concentrating it. Its key talent is interfering with sucrose crystallization. When you boil table sugar into caramel, fudge or candy, the sucrose molecules want to snap back into crystals and turn the batch grainy. The different-shaped glucose molecules get in the way, keeping the texture smooth, chewy or glassy.
Corn syrup also:
- Holds moisture. It's hygroscopic, so cookies and bars stay soft.
- Adds body and shine to glazes and sauces without much flavour.
- Is less sweet than sugar, so a pecan pie doesn't taste cloying.
Golden syrup and homemade invert syrup work the same way because their glucose and fructose also disrupt sucrose crystals. Honey and maple also help, but their flavour and tendency to brown get in the way at candy temperatures.
When not to swap
- High-temperature candy like lollipops and brittle, cooked above 150 °C / 300 °F. Honey and maple scorch and foam; use glucose or golden syrup.
- Marshmallows and clear candies. Golden syrup and honey tint them amber.
- Maple syrup in candy or caramel. It's mostly sucrose, so it doesn't block crystallization.
- Agave in pecan pie. It's thin, so the filling may not set firmly.
Questions
Can I use honey instead of corn syrup?
In pies, sauces and bars, yes, 1:1. In candy and caramel it's risky: honey browns and foams at high temperatures, and its flavour comes through strongly.
What is a substitute for dark corn syrup?
Mix 3/4 cup light corn syrup or golden syrup with 1/4 cup molasses. Or use golden syrup alone, which is already amber and toffee-flavoured.
Can I make corn syrup at home?
You can make an invert sugar syrup that does the same job: simmer 250 g sugar, 80 mL water and 1/4 tsp cream of tartar to about 112 °C / 235 °F. Cool and store for up to two months.
Is corn syrup the same as high-fructose corn syrup?
No. Regular corn syrup is mostly glucose. High-fructose corn syrup has been enzyme-treated to turn some glucose into fructose and is mainly used in commercial soft drinks.