Smooth Sugar Free Pumpkin Spice Coffee Syrup Recipe
If you adore the warm, cozy flavors of autumn but want to skip the sugar crash, this Smooth Sugar Free Pumpkin Spice Coffee Syrup is going to become your new seasonal obsession. Imagine a syrup that captures the essence of pumpkin pie spices, the natural sweetness of golden monk fruit, and the deep comforting aroma of vanilla, all blended into a smooth, pourable delight that elevates your morning coffee or favorite fall beverages. It’s smooth, flavorful, and guilt-free—a perfect way to welcome the season into your cup without any compromise.

Ingredients You’ll Need
This recipe relies on a handful of simple yet essential ingredients that each play a vital role in crafting that perfect pumpkin spice coffee syrup. Every element balances sweetness, spice, and texture to create a syrup you’ll want to drizzle on everything.
- Water: The base liquid that helps dissolve the sweetener and infuse flavors smoothly.
- Golden monk fruit or allulose: These low-calorie sweeteners add just the right amount of sweetness without sugar’s typical spikes.
- Canned pumpkin puree: Brings authentic pumpkin flavor and velvety texture essential for that cozy feel.
- Pumpkin pie spice blend: This blend of cinnamon, nutmeg, and other spices is the heart of the seasonal flavor profile.
- Salt: Enhances and balances the sweetness and spices perfectly.
- Vanilla extract: Adds a warm, aromatic depth that rounds out the flavors wonderfully.
- Xanthan gum (optional): A small addition to thicken the syrup, giving it a lovely consistency for pouring or drizzling.
How to Make Smooth Sugar Free Pumpkin Spice Coffee Syrup
Step 1: Combine and Dissolve the Main Ingredients
To start your Smooth Sugar Free Pumpkin Spice Coffee Syrup, gather your water, golden monk fruit or allulose, canned pumpkin puree, 2 teaspoons of pumpkin pie spice, and salt in a medium saucepan. Place it over medium heat and stir continuously for 5-7 minutes until all the sweetener dissolves and the mixture blends into a silky texture. Be sure to scrape the sides and bottom so nothing sticks, and keep stirring until the mixture is completely smooth. This smooth foundation is key to a syrup that will feel luxuriously velvety in your cup.
Step 2: Incorporate Additional Spices
Once your syrup base is smooth, stir in the remaining 1 teaspoon of pumpkin pie spice (or adjust to taste). This step layers in the spice notes beautifully and ensures every drop packs delightful autumn warmth with no lumps or clumps.
Step 3: Thicken with Xanthan Gum (Optional)
If you prefer a thicker, more decadent pour, sprinkle 1/8 teaspoon of xanthan gum evenly across the surface and whisk rapidly to avoid clumps. This optional step gives your Smooth Sugar Free Pumpkin Spice Coffee Syrup a luxurious body without any graininess, making it ideal for drizzling over lattes or desserts.
Step 4: Simmer to Develop Flavors
Lower the heat and let the syrup simmer gently for 10 to 15 minutes, stirring occasionally. This slow simmer helps the flavors meld and intensifies the pumpkin spice notes, while also allowing the syrup to thicken slightly into a velvety consistency that clings beautifully to your coffee cup.
Step 5: Add Vanilla Extract
Remove the saucepan from heat and stir in 2 teaspoons of vanilla extract. Adding the vanilla at the end preserves its fresh, fragrant notes, which complement the pumpkin spices with a luscious, sweet warmth that makes your coffee taste extraordinary.
Step 6: Cool and Store the Pumpkin Spice Syrup
Finally, let your Smooth Sugar Free Pumpkin Spice Coffee Syrup cool to room temperature before transferring to a clean airtight container. Pop it into the fridge, where it will keep its vibrant flavors for up to two weeks. Just remember to give it a good shake before each use, as some natural separation may take place.
How to Serve Smooth Sugar Free Pumpkin Spice Coffee Syrup

Garnishes
To fully embrace the seasonal vibe, garnish your coffee or latte topped with a dusting of cinnamon or nutmeg, a swirl of sugar-free whipped cream, or even a sprinkle of toasted pumpkin seeds. These simple touches elevate the experience and bring an extra layer of texture and flavor that makes each sip special.
Side Dishes
Your Smooth Sugar Free Pumpkin Spice Coffee Syrup pairs wonderfully with classic fall snacks like cinnamon-spiced biscotti, sugar-free pumpkin muffins, or a slice of warm toasted nut bread. These pairings make your cozy coffee break feel more indulgent, yet perfectly balanced.
Creative Ways to Present
Besides stirring into your morning cup of joe, try drizzling the syrup over plain yogurt for an autumn-inspired breakfast or use it as a glaze over roasted nuts and seeds for a sweet-spicy treat. You can even brush it lightly on baked apples or mix it into a smoothie bowl for a seasonal twist. The possibilities with this Smooth Sugar Free Pumpkin Spice Coffee Syrup are truly endless!
Make Ahead and Storage
Storing Leftovers
Your Smooth Sugar Free Pumpkin Spice Coffee Syrup keeps beautifully in the fridge for up to two weeks when stored in a sealed container. Keeping it chilled preserves the vibrant flavors and prevents any spoilage, so you can enjoy it at your leisure.
Freezing
If you want to enjoy the syrup beyond two weeks, it freezes well in an airtight container or ice cube trays. Just thaw in the refrigerator overnight before use. Freezing doesn’t affect the flavor much, making it convenient to have this seasonal syrup on hand all year round.
Reheating
When you’re ready to use leftover syrup, gently warm it in a small saucepan over low heat or microwave in short bursts, stirring frequently. This restores the soft pourable texture and reactivates those fragrant pumpkin spice notes beautifully.
FAQs
Can I use other sweeteners instead of monk fruit or allulose?
Absolutely! While golden monk fruit and allulose keep the syrup sugar-free, you can substitute brown sugar or coconut sugar if you don’t mind a little natural sugar content. Just note it will change the calorie count and sweetness level.
Is xanthan gum necessary for this syrup?
Xanthan gum is optional and mainly used to thicken the syrup. If you like a thinner syrup that easily mixes into drinks, you can skip it altogether.
Can I use fresh pumpkin instead of canned pumpkin puree?
Fresh pumpkin can work, but you’ll want to cook and puree it very finely before using to achieve the same smooth texture that canned pumpkin provides. The canned version just makes it so much easier and quicker!
How long does the syrup last in the fridge?
Stored in an airtight container, your Smooth Sugar Free Pumpkin Spice Coffee Syrup will stay fresh for up to two weeks. Always check for any signs of spoilage before use.
Can I use this syrup in drinks other than coffee?
Definitely! This syrup is incredibly versatile. Use it in teas, hot chocolate, smoothies, or even mix it with sparkling water for a festive fall soda experience.
Final Thoughts
I can’t recommend enough giving this Smooth Sugar Free Pumpkin Spice Coffee Syrup a try—it’s a warm, comforting hug in a bottle for your coffee and beyond. Whether you’re craving a healthier fall flavor fix or want to wow your friends with something homemade and sugar-free, this syrup checks all the boxes. Pour yourself a cup, savor those cozy spices, and enjoy every single drop of autumn bliss!
PrintSmooth Sugar Free Pumpkin Spice Coffee Syrup Recipe
This Smooth Sugar Free Pumpkin Spice Coffee Syrup is a delightful, low-calorie sweetener infused with rich pumpkin flavor and warm spices, perfect for adding cozy autumn vibes to your coffee or favorite beverages without any added sugar. Made with monk fruit or allulose, it offers a smooth texture and a balanced blend of pumpkin pie spice, vanilla, and subtle sweetness, all while being keto-friendly and diabetic-friendly.
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30 minutes
- Yield: About 2 cups of syrup 1x
- Category: Beverage Syrup / Coffee Syrup
- Method: Simmering and Mixing
- Cuisine: American
- Diet: Diabetic
Ingredients
Main Ingredients
- 1 3/4 cups water
- 1 cup golden monk fruit or allulose (substitute brown or coconut sugar if desired)
- 1 cup canned pumpkin puree
- 1/4 tsp salt
Spices
- 2–3 tsp pumpkin pie spice blend (divided: 2 tsp initially, 1 tsp after)
Additional Flavorings
- 2 tsp vanilla extract
- 1/8 tsp xanthan gum (optional, for thickening)
Instructions
- Combine and Dissolve the Main Ingredients: In a medium saucepan, combine 1 3/4 cups water, 1 cup golden monk fruit or allulose, 1 cup canned pumpkin puree, 2 teaspoons pumpkin pie spice blend, and 1/4 tsp salt. Place the saucepan over medium heat and stir continuously for 5-7 minutes until the sweetener is fully dissolved and the mixture is smooth. Scrape the sides and bottom to prevent sticking, ensuring a nice texture.
- Incorporate Additional Spices: Add the remaining 1 teaspoon (or to taste) pumpkin pie spice blend to the smooth mixture. Stir thoroughly until the spices are fully mixed in and no lumps remain.
- Thicken with Xanthan Gum (Optional): Sprinkle 1/8 teaspoon xanthan gum evenly across the surface while whisking rapidly to avoid clumps. This step is optional but helps achieve a pourable, thicker syrup consistency.
- Simmer to Develop Flavors: Reduce heat to low and let the mixture simmer gently for 10-15 minutes. Stir occasionally to prevent sticking and to allow flavors to meld and deepen. This also thickens the syrup slightly.
- Add Vanilla Extract: Remove the saucepan from heat and stir in 2 teaspoons vanilla extract until fully incorporated. Adding vanilla at the end preserves its bright fragrance and contributes to the syrup’s flavor complexity.
- Cool and Store the Pumpkin Spice Syrup: Allow the syrup to cool to room temperature, then transfer it to a clean, airtight container. Store in the refrigerator for up to two weeks. Shake well before each use as some separation may occur.
Notes
- If preferred, substitute brown or coconut sugar for monk fruit or allulose, but note this will add sugar and calories.
- Xanthan gum is optional; omit if you prefer a thinner syrup.
- Make sure to whisk continuously when adding xanthan gum to prevent clumps.
- This syrup is great for coffee, lattes, or drizzling over desserts and oatmeal.
- Store refrigerated and shake well before using as natural separation may happen.
- Adjust pumpkin pie spice according to your taste preference.
Nutrition
- Serving Size: 2 tablespoons (30 ml)
- Calories: 15
- Sugar: 0g
- Sodium: 75mg
- Fat: 0.3g
- Saturated Fat: 0.1g
- Unsaturated Fat: 0.2g
- Trans Fat: 0g
- Carbohydrates: 4g
- Fiber: 0.7g
- Protein: 0.3g
- Cholesterol: 0mg
Keywords: pumpkin spice syrup, sugar free coffee syrup, diabetic friendly syrup, pumpkin coffee syrup, sugar free pumpkin syrup, monk fruit syrup, keto pumpkin syrup, autumn coffee syrup