Avó Palmira's Traditional Tomato Jam Recipe

There are recipes that never go out of style, transporting us instantly to the warm, fragrant kitchens of our grandmothers. Avó Palmira’s Tomato Jam is one such treasure of Portuguese gastronomy. Made slowly with ripe tomatoes, sugar, and simple aromatics, this recipe yields a glossy, aromatic preserve that is perfect for spreading on fresh bread, accompanying cheese, or adding a sweet touch to various desserts. The secret lies in patience during the cooking process and choosing quality ingredients, resulting in a preserve with an irresistible texture and an authentic, old-fashioned flavour that is wonderfully comforting.

Ingredients

1 kg of ripe tomatoes (weighed after peeling)
800 g of golden or brown sugar
1 cinnamon stick
Peel of 1 lemon (use a vegetable peeler to remove the zest in strips)
Juice of ½ lemon

Preparation

Peel the tomatoes: Bring a large pot of water to a rolling boil. Wash the tomatoes and carefully place them into the boiling water for about 1 to 2 minutes, depending on their size and ripeness. Using a slotted spoon, transfer the tomatoes immediately to a large bowl of ice-cold water (you can add a few ice cubes to chill it quickly). Leave them to cool for 3 to 4 minutes. The skins will now slip off effortlessly.
Start the jam: In a large, heavy-bottomed pot (traditionally a copper or iron pan is used, but a regular large saucepan works perfectly), combine the peeled tomatoes, broken into chunks, with the sugar, the cinnamon stick, the lemon peel strips, and the lemon juice.
Cook slowly: Place the pot over a low heat and let it come to a gentle simmer. Allow it to cook slowly, stirring occasionally at first. Be careful as the mixture can splatter once it starts to bubble. Once it comes to a boil, stir more frequently to prevent the jam from catching on the bottom of the pan.
Test for setting point: The jam is ready when it reaches the setting point. To test this, place a small spoonful of the hot jam onto a cold plate and let it cool for a moment. Run your finger or a spoon through it; if the jam leaves a clear path and doesn’t flood back together immediately, it is done. It is important to remember that the jam will thicken further as it cools.
Pot and seal: While the jam is still hot, carefully pour it into sterilised glass jars. Seal the jars immediately with their lids, then turn them upside down (lid-side down) and leave them to cool completely. This creates a vacuum seal for longer preservation.

Why You’ll Love This Recipe

A cherished traditional Portuguese recipe.
Surprisingly simple and straightforward to prepare.
A wonderful way to make the most of a glut of ripe tomatoes.
Keeps for many months when properly preserved.
Perfect for spreading on bread or serving alongside cheese.
Completely free from artificial preservatives.
An authentic, nostalgic taste of bygone days.
Makes a beautiful, thoughtful homemade gift when presented in a jar.

Tips for the Perfect Jam

For the best possible result, choose ripe, flavourful tomatoes, as their quality will directly influence the taste of your jam. A slow, gentle cook is key to developing a rich, deep flavour and a beautiful texture. Be sure to stir the jam regularly, particularly towards the end of the cooking time, to prevent it from sticking to the bottom and burning. Properly sterilising your jars is essential for safe, long-lasting preservation. Once filled and sealed, store the jars in a cool, dark, and dry place.

How to Serve

This versatile jam pairs beautifully with a wide variety of foods. It is divine simply spread on:

Fresh homemade bread or toast.
Portuguese cornbread (broa).
Water and salt crackers.

It is also a classic accompaniment to cheese, particularly:

Serra da Estrela cheese.
Fresh requeijão (a soft, creamy cheese).
Plain fresh cheese or mild goat’s cheese.

For a special breakfast or brunch, try it with natural yoghurt, pancakes, or crêpes. It can also be used as a delightful filling for tarts, cakes, and other desserts.

Storage

When properly sealed in sterilised jars, this jam can be stored for many months in a cool, dark place. Once a jar has been opened, it should be kept in the refrigerator and consumed within 3 to 4 weeks for the best flavour.

Frequently Asked Questions

Can I use any type of tomato?
Yes, but ripe, fleshy tomatoes will produce a more flavourful and well-textured jam. Avoid tomatoes that are too watery.

Is it essential to sterilise the jars?
Yes, sterilising the jars is a crucial step to ensure the jam is safe for long-term storage and prevents any spoilage. Boil the clean jars and their lids in water for 10 minutes, then let them dry on a clean tea towel before filling.

Can I reduce the amount of sugar?
The sugar is crucial for the jam’s preservation and its final set. Reducing it may result in a runnier jam and a shorter shelf life, as sugar acts as a natural preservative.

How long will it keep?
If the jars have been correctly sterilised and sealed, and are stored in ideal conditions, the jam can last for many months without losing its quality.

Notes

This traditional recipe is a beautiful example of how simple, humble ingredients can be transformed into something truly special with a little time and care. The slow cooking process allows the flavours to meld and intensify, resulting in a preserve that captures the very essence of Portuguese home cooking. It is a recipe worth keeping and passing down, just as Avó Palmira intended.