Homemade ketchup is a game-changer, offering a depth of flavor that far surpasses anything store-bought. Its perfect balance of tanginess, sweetness, and spice creates a versatile condiment that pairs beautifully with everything from crispy fries to smoky grilled meats. With just a handful of pantry staples, you can craft a ketchup that’s rich, complex, and entirely customizable to your taste preferences.

Ingredient Breakdown
The foundation of this homemade ketchup starts with high-quality canned whole tomatoes, which provide a naturally rich and concentrated tomato flavor. Opting for tomatoes packed in juice rather than puree helps achieve the right consistency. Onions and garlic serve as the aromatic base, lending a deep, savory quality that enhances the ketchup’s overall complexity. Fresh ginger and allspice introduce a subtle warmth, adding an unexpected yet complementary depth to the condiment. The balance of brown sugar and apple cider vinegar is what gives ketchup its signature sweet-tangy profile—adjusting these elements allows for customization based on personal taste. A pinch of red pepper flakes provides a mild heat that elevates the flavors, but it can easily be increased for a spicier kick or omitted for a milder version. Finally, salt and freshly ground black pepper act as essential enhancers, ensuring that every component of the ketchup harmonizes into a well-rounded and flavorful sauce.
Step-by-Step Cooking Guide
Sautéing the aromatics is the first step in developing the ketchup’s depth of flavor. Onions are slowly cooked in olive oil until they become soft, sweet, and lightly caramelized, releasing their natural sugars. Once they reach this stage, the garlic, ginger, allspice, and red pepper flakes are added, infusing the mixture with bold and aromatic notes.
Cooking the tomato paste is a critical step in achieving a richer, more developed flavor. Stirring it continuously as it cooks allows it to darken from bright red to a deep burnt orange, which signals that it has caramelized and intensified in taste. This step helps eliminate any raw, overly acidic notes in the ketchup.
Simmering the mixture transforms the ingredients into a thick, glossy sauce. Once the canned tomatoes, brown sugar, apple cider vinegar, salt, and pepper are incorporated, the mixture is left to cook gently, allowing all the flavors to meld together. Occasional stirring prevents any sticking and ensures even thickening. The slow simmering process not only deepens the flavor but also creates a ketchup with a smooth, velvety consistency.
Blending is key to achieving a perfectly silky ketchup. Once the mixture has reached the desired thickness, it is blended until completely smooth. For an extra refined texture, it can be strained through a sieve to remove any residual pulp.
Cooling and storing the ketchup properly preserves its freshness. Once it has cooled to room temperature, it should be transferred to an airtight container or glass jar. Stored in the refrigerator, homemade ketchup remains fresh for up to a month, allowing for multiple uses in a variety of dishes.

Recipe Tips & Frequently Asked Questions
How to prevent ketchup from becoming too runny or too thick:
Adjust the simmering time accordingly—longer cooking will thicken the ketchup, while adding a splash of water can loosen it if needed.
Ways to enhance the depth of flavor with additional spices or umami boosters:
Try adding a dash of smoked paprika, Worcestershire sauce, or even a touch of soy sauce for added complexity.
Best methods for storing and preserving homemade ketchup:
Use a clean, airtight container and refrigerate for up to a month. For longer storage, freeze it in small portions and thaw as needed.
Can I use fresh tomatoes instead of canned?
Yes, but they need to be peeled, seeded, and cooked down longer to achieve the same concentrated flavor.
How long does homemade ketchup last in the refrigerator?
It stays fresh for up to one month when stored in an airtight container.
What’s the best way to thicken ketchup if it turns out too thin?
Continue simmering until excess liquid evaporates, or stir in a small amount of tomato paste.
Can I make this recipe without sugar or use an alternative sweetener?
Yes, honey, maple syrup, or coconut sugar can be used as natural alternatives.
What to Serve With This Recipe
Classic pairings include burgers, hot dogs, fries, and sandwiches, where this homemade ketchup adds an extra layer of richness. Beyond the expected, it can be incorporated into marinades for grilled meats, used as a dipping sauce for roasted vegetables, or blended into dressings for a tangy twist. For serving, transferring it to a squeeze bottle or glass jar makes for a convenient and aesthetically pleasing presentation.
Customization Ideas
For a smoky variation, adding a touch of smoked paprika or blending in a roasted red pepper creates a BBQ-inspired twist. Those who love heat can increase the spice level with cayenne, chili powder, or even a splash of hot sauce. If a sweeter or tangier ketchup is preferred, adjusting the brown sugar and vinegar balance allows for complete control over the flavor profile.
Making homemade ketchup is a simple yet rewarding process that results in a condiment bursting with flavor. Free from artificial preservatives and loaded with natural ingredients, it is a fantastic alternative to store-bought varieties. Experimenting with different seasonings and spice levels makes this recipe endlessly adaptable, ensuring there’s a perfect version for everyone’s taste. Whether enjoyed in its classic form or customized with bold new flavors, this homemade ketchup is a must-have staple in any kitchen.

Ingredients
1 medium onion, sliced into half-moons
1 tablespoon olive oil
2 garlic cloves, finely chopped (about 1 tablespoon)
1-inch piece of ginger, peeled and minced
1/4 to 1/2 teaspoon crushed red pepper flakes (optional for heat)
1/4 teaspoon ground allspice
2 tablespoons tomato paste
1 (28-ounce) can whole tomatoes, including juice
2 to 5 tablespoons brown sugar (adjust to desired sweetness)
1/4 cup apple cider vinegar
Salt and freshly ground black pepper to taste
Instructions
Warm the olive oil in a pan over medium heat. Add the sliced onions and sauté until softened, lightly caramelized, and fragrant, about 8 minutes. Stir in the chopped garlic, ginger, red pepper flakes, and allspice, ensuring the flavors meld together. Cook for another 2 minutes, stirring frequently.
Incorporate the tomato paste, stirring continuously to evenly distribute it across the pan. Cook until its color deepens from bright red to a rich, burnt orange hue, which should take about 2 minutes.
Pour in the canned whole tomatoes along with their juices, followed by 2 tablespoons of brown sugar, apple cider vinegar, a generous pinch of salt, and a few twists of freshly ground black pepper. Stir well and taste, adjusting the sugar level as needed. Typically, 3 to 4 tablespoons strike the right balance of sweetness.
Bring the mixture to a gentle simmer, then lower the heat slightly. Allow it to cook at a slow simmer, stirring occasionally, until it thickens and takes on a glossy sheen, roughly 20 minutes. Taste again, making any necessary adjustments with additional sugar, salt, or pepper.
Once the ketchup has reached the desired consistency, blend until completely smooth. Let it cool to room temperature before transferring to a jar. Store in the refrigerator for up to one month.

Homemade Ketchup Recipe
Ingredients
- 1 medium onion sliced into half-moons
- 1 tablespoon olive oil
- 2 garlic cloves finely chopped (about 1 tablespoon)
- 1- inch piece of ginger peeled and minced
- 1/4 to 1/2 teaspoon crushed red pepper flakes optional for heat
- 1/4 teaspoon ground allspice
- 2 tablespoons tomato paste
- 1 28-ounce can whole tomatoes, including juice
- 2 to 5 tablespoons brown sugar adjust to desired sweetness
- 1/4 cup apple cider vinegar
- Salt and freshly ground black pepper to taste
Instructions
- Warm the olive oil in a pan over medium heat. Add the sliced onions and sauté until softened, lightly caramelized, and fragrant, about 8 minutes. Stir in the chopped garlic, ginger, red pepper flakes, and allspice, ensuring the flavors meld together. Cook for another 2 minutes, stirring frequently.
- Incorporate the tomato paste, stirring continuously to evenly distribute it across the pan. Cook until its color deepens from bright red to a rich, burnt orange hue, which should take about 2 minutes.
- Pour in the canned whole tomatoes along with their juices, followed by 2 tablespoons of brown sugar, apple cider vinegar, a generous pinch of salt, and a few twists of freshly ground black pepper. Stir well and taste, adjusting the sugar level as needed. Typically, 3 to 4 tablespoons strike the right balance of sweetness.
- Bring the mixture to a gentle simmer, then lower the heat slightly. Allow it to cook at a slow simmer, stirring occasionally, until it thickens and takes on a glossy sheen, roughly 20 minutes. Taste again, making any necessary adjustments with additional sugar, salt, or pepper.
- Once the ketchup has reached the desired consistency, blend until completely smooth. Let it cool to room temperature before transferring to a jar. Store in the refrigerator for up to one month.