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Executive chef Christiaan Campbell and Boschendal’s horticulturist and food garden manager Megan McCarthy talk about how best to grow and enjoy tomatoes.
Christiaan: Tomatoes are at their best mid to late summer. I’m very passionate about where our food comes from and obviously the health of the soil. The tomatoes are picked here at Boschendal and some from our partners that I work with. Of all fruit and vegetables, the tomato is a very interesting plant in that it apparently puts into its fruit whatever is in its soil – including heavy metals and toxins. You need to know where your tomatoes are grown if you are particular about what you put into your mouth. The tomato will gladly pass on the general soil health – so it’s good to know your tomato’s origin. Obviously it’s important to buy organic and from a farmer that is concerned about soil health.
Tomatoes need to be naturally ripened and some tinned tomatoes are artificially ripened. I question the nutritional value of artificially ripened tomatoes (and all fruit not naturally ripened). So cooked sun-ripened tomatoes, as in the recipe on page 29, are naturally good but especially for men due to lycopene (red carotene and carotenoid pigment) content. Overdose on tomatoes when they are in season, so that at the end of the season you don’t want to see another tomato. And then you can’t wait until mid-summer until the tomatoes are ripe. I don’t necessarily agree with importing our food out of season.
Megan McCarthy: This is the end of tomatoes now – and it’s the best of the season. Tomatoes specifically pick up lead from the soil so when you grow tomatoes you must avoid them coming in contact with car fumes – don’t grow them on the side of the road. People growing tomatoes in the cities and urban areas need to be particularly aware of this. Also bear in mind that because of their acidic nature, tomatoes start breaking down the BPA in tins and releasing it back into the fruit.
I like growing tomatoes with basil and chives because chives keep the bugs away and basil gives them flavour. Beans are nitrogen fixers and should be planted close to tomatoes. Predominantly legumes have a relationship with soil-fixing bacteria and some have a relationship with nitrogen-friendly fungi and these live in the nodules in the fruit. When they break down the nitrogen they release it to the tomatoes.
The problem with commercial tomato farming is that we don’t know if the crops have been exposed to harsh chemicals, and the use of herbicides is scary because tomatoes hang on to herbicide residue. Even if you peel them, I’m sure the herbicide goes right through the skin.
Growing your own veggies is the thing to do – or at least know where it’s grown. Last year we had a good crop and I like the novelty and heirloom tomatoes, but they have low yields. This year we planted more, but due to strange rainfall and terrible heat, we had a blight – a fungus that attacked the fruit. That is very difficult to control as organic farmers, so we lost a lot of our tomatoes. And then we had a late frost. So it was a really bad year for tomatoes. We did a second planting and that will be ready in March, but I obviously don’t have the quantities I would love to have had. But you have got to stay flexible and persevere – as you do in organic farming.
What's not to like about lycopene?Organically grown, sun-ripened tomatoes are high in lycopene – a carotenoid known to fight prostate cancer and improve male fertility.
Acid or alkaline?The acidity of fresh tomatoes can be closely associated with their degree of ripeness. Ripe tomatoes are less acidic than canned tomatoes, or tomato paste. On the whole the tomato is an alkaline fruit.
Interesting tomato facts:To qualify for heirloom status, the tomato plant needs to be at least 50 years old. Vitamin status peaks when the fruit is at its ripest – just before the skin splits.Picked green, tomatoes can survive thousands of miles in a truck and then can be sprayed with CO2 so they blush red!
Don't be put off by the weird shape and diverse colours of heirloom tomatoes. Rather thank them for their rich genetic biodiversity, high antioxidant levels and flavour.
Tomato, watermelon, goats' cheese, pumpkin seed brittle salad
Pumpkin seed brittleIngredients100 ml green pumpkin seeds100 ml sugar100 ml water5 ml sea salt Sprig of rosemary 3 sprigs of thyme 8 whole peppercorns1 bay leaf
Method1. Combine the sugar, water, herbs and pepper- corns in a saucepan. 2. Over a medium heat stir and devolve the sugar.3. Bring to the boil for one minute. 4. Remove from the heat and add the pumpkin seeds. 5. Stir through the sugar syrup.6. Allow the mixture to cool.7. Drain the seeds through a sieve.8. Arrange the seeds in a single layer on a greased baking sheet.9. Bake in an oven set to 140 oC for approximately 20 minutes.10. To check if seeds are ready, carefully remove a seed from the oven and allow to quickly cool on a solid cold surface.11. If the seed is crisp and crunchy they are ready. 12. Once cool, store seeds in an airtight container.
Salad Ingredients400 g watermelon, without skin, cut into large cubes40 ml aged hibiscus balsamic200 g fresh goats’ cheese, broken into rough pieces 250 g selection of ripe tomato varieties sliced or chopped 50 ml extra virgin olive oil Two pinches of flaked salt 5 ml of cracked pepper 6 leaves of fresh basil, torn A handful of edible flowers or squash flowers, torn A batch of pumpkin seed brittle
Method1. Toss the watermelon and balsamic together. 2. Allow to marinate for an hour in the fridge. 3. Select a beautiful serving dish.4. Loosely arrange the tomatoes, the marinated water-melon (reserving the juice that would have collected in the bowl), and the rough pieces of fresh goats, cheese.5. Dribble over the salad the olive oil and the reserved marinade juice.6. Sprinkle over the pumpkin seeds, the torn basil, the two pinches of flaked sea salt and the cracked pepper.
Tomato &buffalo mozzarella tartIngredients110 g cold unsalted butter, cubed190 g stoneground bread flour40 g shredded parmesan cheese5 ml ground black pepper 75 ml cold water3 large heirloom tomatoes, sliced 1 cm thick7 plump cherry tomatoes, top and tailed Two pinches of flaked sea salt 50 ml dried breadcrumbs2 large shallots thinly sliced 10 ml fresh thyme leaves1 ball of Buffalo Ridge Mozzarella sliced into five slices 1 egg, lightly beaten15 ml milk
Method1. Add the flour and butter to a food processor. 2. Blitz until small crumbs form.3. Add the parmesan and pepper and sprinkle over the mixture half of the iced water.4. Blitz briefly. 5. Add the rest of the chilled water. 6. Blitz briefly again.7. Empty out the dough mixture and lightly press into a thick flat form.8. Wrap in food-safe plastic and chill for one hour or preferably overnight. 9. Place the sliced tomatoes on a rack and sprinkle with salt. Allow for the tomatoes to weep for an hour.10. Roll the dough into a 32 cm circle.11. Place dough circle on a baking sheet lined with baking paper. 12. Leaving a 3 cm border sprinkle the breadcrumbs on to the dough sheet and arrange the tomatoes on top of this. 13. Arrange the disks of mozzarella haphazardly on top of the tomatoes.14. Fold the 3 cm edge of the dough over the tomatoes, crimping the pastry slightly. 15. Sprinkle sprigs of fresh thyme over the tomatoes and mozzarella. 16. Mix the egg and milk together and brush the edges. 17. Bake in a preheated oven set to 175 oC for approximately 35 minutes. 18. Once removed from the oven, allow the tart to cool slightly before serving.
Serve with fresh baby rocket and fresh basil.
Free run tomato juice Ingredients1 kg sun-ripened cherry tomatoes800 g large over-ripe large heirloom tomatoes1 small fennel bulb sliced 30 ml red wine vinegar 2 celery sticks100 g red shallots300 g red pepper flesh 10 g basil leaves5 sprigs of thyme5 garlic cloves20 g chives10 g flaked salt2 g peppercorns1 red chilli
Method 1. Roughly chop all the ingredients, reserving the vinegar, salt and peppercorns. 2. Stir through the salt, peppercorns and red wine vinegar. 3. Place the mixture in an airtight container in the fridge overnight.4. Blend the tomato mixture in a food processor the following morning.5. Line a colander with cheesecloth placed over a glass bowl.6. Empty the processed tomato mixture into the lined colander. 7. Draw the corners of the cloth together and tie with string to form a sealed tight ball.8. Leave to drain slowly till the following morning.9. Store the free run tomato juice in a clean glass bottle in the fridge.
To serve You can enjoy the free run tomato juice just on its own or garnish with a selection of ripe baby tomato varieties.
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