A lower-calorie way to make Lentil soup
Lentil soup — with brown lentils, roots and a smoky tomato broth
Brown lentils and root vegetables simmer into a robust high-fibre soup, at about 330 kcal per serving.
Build the aromatic base without browning too hard, then add lentils, roots, tomatoes and stock and hold a quiet simmer until lentils are tender. Finish with blend one cup only, return mushrooms and sharpen the broth with a little vinegar. The finished lentil soup has a clean aroma, deliberate texture and no oily or floury aftertaste.
What changes—and what stays
From with sausage, cream or butter often 480–650 kcal to 330 calories
Use mushrooms and smoked paprika for savoury depth instead of sausage. Mushroom browning, smoked paprika, thyme and tomato provide meaty depth without meat.
| Part | Conventional | Lighter | Why |
|---|---|---|---|
| Core method | More added fat or a heavier proportion | Use mushrooms and smoked paprika for savoury depth instead of sausage | Mushroom browning, smoked paprika, thyme and tomato provide meaty depth without meat. |
How the flavor stays
Mushroom browning, smoked paprika, thyme and tomato provide meaty depth without meat.
A cost rule that survives inflation
Dry lentils and roots make eight protein-rich bowls at low cost.
Ingredients for 8
Measure first; timing is part of how this recipe uses less fat.
- 550 gbrown lentils
- 700 gmushrooms
- 600 gcarrots
- 450 gturnips
- 400 gonion and celery
- 600 gtomatoes
- 2.4 lvegetable stock
- 16 grapeseed oil
- 8 gsmoked paprika and thyme
Method
Each step includes heat, a visible cue, and a recovery.
Step 1 · follow the visible cue
Prepare the defining ingredients
Rinse and inspect lentils, dice roots evenly and slice mushrooms rather than crowding them whole.
Look for: Lentils are clean and root cubes match in size.
Step 2 · follow the visible cue
Build the aromatic base
Brown mushrooms in batches, then soften onion and celery and toast the paprika briefly.
Look for: Mushrooms are deeply brown and the spice is fragrant, not scorched.
Step 3 · follow the visible cue
Simmer at the right intensity
Add lentils, roots, tomatoes and stock and hold a quiet simmer until lentils are tender.
Look for: Lentils are tender but retain their shape and roots yield to a fork.
Step 4 · follow the visible cue
Finish for the intended texture
Blend one cup only, return mushrooms and sharpen the broth with a little vinegar.
Look for: Broth has natural body with visible lentils, roots and browned mushrooms.
Calories at the same serving size
150 kcal · 31% lower estimated
The estimate uses the listed ingredients divided into 8 servings. Brand labels, trimming, and the amount left in the pan can change the result.
Keep the leftovers in the same spirit
Cool Lentil soup within two hours, refrigerate airtight for up to three days and reheat only the portion needed to steaming.
Cool Lentil soup within two hours, refrigerate airtight for up to three days and reheat only the portion needed to steaming.
Frequently asked questions
Can Lentil soup be made ahead?
Yes. Cool it quickly; keep seafood, pasta or fresh garnishes separate when their texture would suffer. Cool Lentil soup within two hours, refrigerate airtight for up to three days and reheat only the portion needed to steaming.
What does the calorie figure for Lentil soup include?
It covers one stated serving from the listed quantities only; bread, butter, cheese and other extras are not included. Use mushrooms and smoked paprika for savoury depth instead of sausage.
- brown lentils550 g
- mushrooms700 g
- carrots600 g
- turnips450 g
CaloNote · mobile analysis example
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Recipe development and nutrition review: CaloNote Editorial
This editorial recipe uses ingredient-level nutrition estimates and reviewed cooking principles. It is not represented as physically test-cooked, and nutrition is approximate.
- Food Safety Authority of Ireland — Healthy eating guidance
- Irish Universities Nutrition Alliance — Food composition data
Published and last reviewed: August 25, 2026
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