There is a moment, usually about fifteen minutes in, when the onions stop being raw and sharp and start to smell like something you want to lean over the pan and breathe in. That smell is most of why I make this soup. It is slow in the right way, the kind of cooking that asks you to stand still for a bit rather than rush.
This is one of those old Golden Door recipes that has quietly outlasted dozens of flashier ones. Caramelised onion, warm spices, a litre of stock, and a late hit of lemon, lime and fresh mint that wakes the whole bowl up. It is light but not thin, and it sits well when you want dinner to feel restful rather than heavy.
I tend to reach for it on the evenings when I have been running on adrenaline all day and I can feel my body asking for a softer landing. A warm bowl, an early night, less screen time. Onions are gentle on the gut for most people, and a meal like this, built around vegetables and a long simmer, is an easy way to eat well without much fuss.
What I love about the way it is built is that almost nothing is wasted on it. There is no butter to brown, no cream to fold through at the end, no stock cube doing all the heavy lifting while the vegetables sulk in the background. The onions are the dish. You coax sweetness out of them slowly, layer in spices that smell like a market stall, and then let time do the rest. It is the opposite of the frantic, ten-tabs-open way most of us cook on a weeknight, and that slowness is part of what makes it feel restorative to me.
The maple syrup might look like an odd note on the list. It is there in the smallest amount, just a teaspoon, and its only job is to nudge the onions along as they caramelise so they turn that deep gold without catching. Turmeric, cinnamon and cardamom give the whole pot a warmth that reads as Middle Eastern without being loud about it. Then, right at the very end, the lemon and lime and the fresh mint cut clean through all that mellow sweetness. That contrast, soft and bright in the same spoonful, is the reason I keep coming back to it.
Ingredients
- 4 large onions, thinly sliced
- 1 teaspoon maple syrup
- 1/2 teaspoon ground turmeric
- pinch of ground cinnamon
- pinch of ground cardamom
- 1 litre (4 cups) vegetable stock
- 2 tablespoons spelt flour, sieved
- 3 tablespoons lemon juice
- 2 tablespoons lime juice
- 2 tablespoons chopped fresh mint
Method
- Put the onion, maple syrup, spices, 5 tablespoons of the stock and a pinch of salt and pepper in a large heavy-based saucepan. Cover and cook over medium heat for 10-15 minutes, stirring occasionally, until the liquid has evaporated and the onions are caramelised and golden brown. Add a little water if the pan starts to dry out. Stir in the flour and cook over low heat for 2 minutes. Gradually add the stock, a little at a time, stirring until the soup comes to the boil. Reduce the heat and simmer for 30 minutes.
- Mix together the lemon and lime juice and add to the soup gradually, to your taste. Simmer for 5 more minutes, then stir in the mint and serve immediately.
Serves 10 as a starter.
A note worth passing on from the kitchen: soup like this is wonderful to make in bulk and freeze. If you do, add the mint after thawing rather than before, so it keeps its green and doesn’t discolour.
Serving, make-ahead and small variations
I almost always make a double batch. It freezes beautifully, and on a tired Tuesday a bowl that only needs reheating is the difference between cooking and not bothering. Ladle it as a starter the way it’s written, or stretch it into a light dinner with warm bread and a handful of greens on the side. A poached egg slid into the bowl turns it into something more substantial without changing its character.
The citrus at the end is the part people skip and then regret. Add it slowly and taste as you go, because onions vary in sweetness and you want that bright edge to balance the maple, not bury it. If you like a little texture, a spoon of toasted seeds or a drizzle of good olive oil on top works well. Spelt flour gives a soft body here, but plain flour does the same job if that’s what’s in the cupboard. I have also made it with red onions when that was all I had, and while it loses a touch of that golden colour, the flavour holds up just fine.
If you are cooking for the week ahead, this is a generous one to lean on. It reheats without sulking, the spices seem to settle and deepen overnight, and a jar of it in the fridge has talked me out of ordering takeaway more than once. Just remember the kitchen’s own advice and hold the mint back until you are reheating, then stir it through fresh so it stays green and fragrant rather than dull.
Honestly, my favourite version skips the bowl-at-the-table ceremony entirely and gets eaten standing at the bench, mug in hand, while dinner finishes for everyone else. There is something steadying about it that I notice most on the days I need it. For more ideas on eating in a way that leaves you feeling settled rather than stuffed, I like the gentle approach in calming foods and the everyday basics in nailing nutrition. If you’re chasing better rest too, there’s a sensible read on sleep and weight loss worth your time. When you want another warming, citrus-forward dish for the same kind of evening, the snapper with aromatic lemongrass coconut sauce scratches a similar itch. The team at Nutrition Australia have practical guidance on building meals around vegetables, and Better Health is a calm, reliable place to read more about herbs and everyday eating.
— Tanya Pryce, Golden Door Living
