Keto Tomato Miso Broth
This tomato miso broth is a warm, sippable snack for days when you don't want anything sweet. Tomatoes are slowly roasted, steeped in hot water and finished with white miso paste, olive oil and basil. The broth is vegan, savory, lightly tangy and noticeably more complex than powdered vegetable broth.
Key facts at a glance
- Prep time: 15 minutes active, 70 minutes roasting and steeping.
- Approx. 3 g net carbs per cup.
- Vegan, warm, savory and ideal as a small snack.
- Keeps for 3 days in the fridge and reheats portion by portion.
Ingredients
One cup is meant as a warm snack or savory keto drink.
| Amount | Ingredient | Note | ||
|---|---|---|---|---|
| ripe tomatoes | - | |||
| garlic cloves | - | |||
| olive oil | approx. 3 tbsp | |||
| approx. 3 tbsp | ||||
| white miso paste | - | |||
| hot water | - | |||
| basil leaves | - | |||
| lemon juice | approx. 1 tsp | |||
| approx. 1 tsp | ||||
| salt | - | |||
| pepper | - | |||
Preparation
Roast the tomatoes with garlic, olive oil and salt, steep them in hot water, strain, and only then stir in the miso paste. Basil and pepper go in right before serving.
Why this broth fits a keto diet
Tomatoes contain more carbs than leafy greens, but here they only flavor the broth and are strained out. Each cup stays at around 3 g net carbs. Olive oil adds fat and rounds out the broth, while miso brings umami and salt. That makes it a savory pick-me-up without replacing a full meal.
How do I serve and vary the broth?
Pour the broth into warmed cups and finish with a few drops of olive oil. For something more substantial, add 40 g of diced smoked tofu to the cup. For more heat, drop a thin slice of chili in while the broth steeps.
Which tips help with keto tomato miso broth?
- Roast the tomatoes deeply but don't burn them; the roasted notes carry the broth.
- Don't boil the miso. Stir it into the hot, no longer bubbling broth.
- Press through a fine sieve, but don't puree if you want the broth to stay clear.
- Go easy on the salt because miso is already salty.
- For meal prep, store without basil and add fresh herbs just before serving.
Nutrition values
| Nutrient | Per 100 g | Per cup | Keto context |
|---|---|---|---|
| Calories | approx. 26 kcal | approx. 65 kcal | Light but flavorful; olive oil provides most of the energy. |
| Light but flavorful; olive oil provides most of the energy. | |||
| Fat | approx. 2.1 g | approx. 5 g | From olive oil, well suited to a small keto sipping drink. |
| From olive oil, well suited to a small keto sipping drink. | |||
| Net carbs | approx. 1.2 g | approx. 3 g | Low because the tomatoes are mostly steeped and strained. |
| Low because the tomatoes are mostly steeped and strained. | |||
| Sugar | approx. 0.9 g | approx. 2 g | Natural sugar from tomatoes. |
| Natural sugar from tomatoes. | |||
| Protein | approx. 0.8 g | approx. 2 g | Miso adds a little protein, but this isn't a protein recipe. |
| Miso adds a little protein, but this isn't a protein recipe. | |||
| Salt | approx. 0.5 g | approx. 1.2 g | Salty; useful for keto electrolytes, adjust if you limit salt. |
| Salty; useful for keto electrolytes, adjust if you limit salt. | |||
Note: Nutrition values are estimated averages per 100 g and per serving and may vary depending on ingredients, brands, portion size, and preparation. They do not replace individual nutrition or medical advice.
FAQ
Is miso keto?
In small amounts, yes. Miso paste contains carbs, but it's used sparingly here. One cup stays at about 3 g net carbs.
Can I eat the broth as a soup?
Yes. In that case don't strain the tomatoes, puree them instead. The carbs go up slightly, but with a moderate amount of tomatoes the portion stays keto-friendly.