Vegetarian Red Lentil Soup
⏱ 10 min prep · 🍳 25 min · 🍽 4
Red lentil soup is the answer to the weeknight when the meal plan just says "something easy" and the vegetable drawer is down to one onion, a couple of carrots, and whatever's left in the pantry. Red lentils need no soaking, so from chopping board to bowl you're looking at about 35 minutes in one pot, most of it unattended, no standing over the stove stirring.
It earns its keep from October through the coldest months, as the reliable plan B for the night practice ran long, the school run ate the afternoon, or nobody made it to the store. Ladle it out hot with a swirl of yogurt and a scattering of parsley, and set out bread for anyone who wants to dunk.
Ingredients
- 1.000 stk løk
- 1.000 stk gulrot
- 2.000 stk stilkselleri
- 2.000 fedd hvitløk
- 2.000 ss olivenolje
- 15.000 g frisk ingefær
- 1.000 ts malt spisskummen
- 1.000 ts malt koriander
- 1.000 ts paprikapulver
- 1.000 ts gurkemeie
- 2.500 dl røde linser
- 1.000 boks hakkede tomater
- 6.000 dl grønnsakbuljong
- 0.500 stk sitron
- 1.000 dl gresk yoghurt
- 2.000 ss frisk persille
Instructions
Finhakk løk, gulrot, selleri og hvitløk (matprosessor sparer tid).
Varm olivenolje i en stor gryte, surr grønnsaker til de er myke og blanke.
Tilsett revet ingefær, spisskummen, koriander, paprika og gurkemeie, og stek i 1 minutt til.
Tilsett linser, hermetiske tomater og kraft eller vann.
Kok opp, reduser varmen og la småkoke ca. 20 minutter til linsene er helt møre og suppen tykner.
Smak til med sitron- eller limesaft, salt og pepper.
Server varm, toppet med en skje gresk yoghurt og raust med hakket persille eller koriander.
This soup became our regular Wednesday fallback for one reason: it doesn't punish a delayed dinner. Rice and pasta dishes turn gluey when the meal gets pushed back half an hour; this one just gets thicker and more concentrated. Our kids ate it for a long stretch without registering it was vegetarian, because we blend half the pot smooth with an immersion blender and leave the rest with visible carrot pieces, something to chew alongside the smooth base. What surprised us most is how well it holds up as next-day lunch: the flavor settles overnight, so whoever eats it lukewarm or cold from a thermos at school or the office often likes it better than they did the first night.
FAQ
Does it freeze well for a lunchbox later in the week?
Yes, red lentil soup freezes well for up to three months in sealed containers. Portion it before freezing, and expect to thin it with a splash of water or stock when reheating, since the lentils keep absorbing liquid even in the freezer. It's also good eaten cold or lukewarm from a thermos the day after thawing, so it travels fine to school or the office.
How do I adjust the texture and spice level for the youngest kids at the table?
Run an immersion blender through half the pot right before serving, so you end up with a smooth base and some chunkier bits to chew in the same bowl. Go easy on ginger and chili the first time, and let everyone add extra spice to their own plate instead of seasoning the whole pot hot. A side of bread for dunking also helps win over anyone wary of a soup with a strong flavor.
Can I swap the red lentils for another type?
Brown or green lentils work fine, but skip soaking them and plan on 10-15 minutes of extra simmering plus a bit more liquid along the way. Canned, already-cooked lentils are a fair shortcut on a rushed evening; stir them in near the end so they just need to heat through. Yellow split peas are a different story, they take noticeably longer to soften and need the liquid amount adjusted accordingly.
How long does it keep, and does it get better or worse sitting in the fridge?
It keeps 3-4 days in the fridge in a sealed container, and the spices actually come through more after a night resting. Plenty of people in our house genuinely prefer it the day after cooking rather than straight off the stove. Keep the yogurt in its own small container until serving time so it doesn't separate in storage.
Is it vegan as written?
The base recipe is vegan as long as the stock is vegetable-based, so just double-check that whatever bouillon or broth you're using doesn't contain chicken or meat extract. Skip the yogurt swirl on top, or swap in a tangy plant-based version like unsweetened soy or oat yogurt. Nothing else in the recipe needs changing.
The soup has been sitting and turned thicker than I want, what now?
Thin it with a splash of water or stock and bring it back to a simmer; this is one of those dinners that tolerates a delayed mealtime well, unlike rice or pasta dishes that turn gluey when someone gets home late. Taste again for salt or a squeeze of lemon after adjusting the liquid. Serve it piping hot, ideally with a fresh scattering of parsley on top.