Sopa Azteca
This sopa de tortilla recipe builds a smoky tomato and pasilla chile broth, then pours it over crisp fried tortilla strips so they soften at the edges but keep their crunch in the middle. Avocado, queso fresco and Mexican crema go on top at the table. One serving is about 550 g.
Sopa de tortilla, also called sopa azteca, is a Mexico City classic built from ingredients that have been grown in central Mexico for centuries — corn, tomatoes and chillies. Its exact origins are unclear, but it centres on the capital, where it became a fixture of fondas and family kitchens, and it travelled to California in the mid-20th century. Chef Rick Bayless's version, based on the one served at his Frontera Grill since it opened, helped introduce it to cooks outside Mexico.
Pairs well with: Warm corn tortillas, black bean tostadas and a cold agua fresca
Provenance
Mexico
Mexico City Classic
Latin America & Caribbean
Time Dedication
55m
20m prep • 35m cook
Batch Yield
4 Servings
418 kcal per serving
1 serving ≈ 550 g
Technical Skill
Intermediate
Intermediate (Fried Tortilla Strips)
Meal Timing & Digestive Fit
Breakfast
Not Advised
Lunch
Prime Metabolic Fit
Dinner
Ideal Hearty Main
Snack & Tea
Inappropriate
Mexico City Classic
Photo: El Nuevo Doge, CC0, via Wikimedia Commons
The Heritage Formulary
Estimated cost: Low — about $2–3 per serving at home (USD)
A true sopa de tortilla fries the strips crisp in oil and pours the hot tomato-chile broth over them at the table, so they stay crunchy at the edges.
Execution Methodology & Culinary Technique
Prep Stage: Cut the Tortillas and Toast the Chile
20 Mins • Knife Work
Cut the tortillas into strips and leave them spread out on a tray while you work — slightly dried strips fry crisper. Stem and seed the pasilla chiles, then toast them for a few seconds in a dry pan until they smell like raisins; any longer and they turn bitter.
Maestro Tip: If the chile blackens, throw it away and start with a fresh one — a burnt chile will ruin the whole pot.
10 Mins Hot oil, about 180°C (350°F)
Heat the oil in a small, deep pan until it shimmers. Fry the strips a handful at a time for 60–90 seconds, stirring, until deep golden and stiff. Lift them out with a slotted spoon and drain on paper towels, salting lightly while hot.
Small batches only — a crowded pan drops the oil temperature and the strips turn greasy instead of crisp.
Done when: Strips are deep golden, rigid, and stop bubbling in the oil.
10 Mins Medium-high heat, about 180°C (350°F)
Blend the tomatoes with the toasted pasilla pieces until smooth. Heat 1 tablespoon of the frying oil in a large pot, fry the onion and garlic for 7 minutes until richly golden, then pour in the tomato-chile puree and stir for 5 minutes until it thickens and darkens to the colour of tomato paste.
Frying the puree first is what gives the soup its deep, cooked-tomato flavour instead of a raw, sharp one.
Done when: The puree is thick, brick-red and leaves a trail when stirred.
20 Mins Gentle simmer, about 95°C (203°F)
Pour in the warm vegetable stock and the chipotle, if using. Bring to a boil, then lower the heat and simmer, partly covered, for 20 minutes. Taste and add the salt only if it needs it.
Do not boil hard — a rolling boil makes the broth cloudy and greasy.
Done when: The broth is brick-red, smells smoky-sweet and tastes balanced, not sharp.
5 Mins Soup steaming hot, above 74°C (165°F)
Divide the fried strips, avocado and queso fresco between four warm bowls. Keep the crema and lime at the table. The soup must be steaming hot when it meets the bowl, or the strips will go limp before anyone eats.
Warm bowls in a low oven or with hot water — a cold bowl cools the soup in seconds.
Done when: The strips are in the bowls, the toppings are ready, and the soup is steaming.
5 Mins Serve immediately, soup above 74°C (165°F)
Ladle the hot broth over the strips and toppings in each bowl, drizzle with crema and a squeeze of lime, and serve at once so the strips are crisp at the edges and just softened in the middle.
Let everyone add their own crema and lime — the soup is best eaten the moment it is poured.
Done when: The strips are half-crisp, half-softened, and the cheese is just starting to melt.
Finishing Touches & Plating
Serve immediately, with extra strips, lime wedges and crema on the table — the contrast between the crisp strips and the hot, smoky broth is the whole point of the dish.
Nutritional Physiology & Benefits
Energy
418
kcal / serving
Protein
12g
Complete AA
Carbs
41g
Complex
Fats
25g
Healthy
| Energy | 418 kcal |
| Protein | 12 g |
| Carbohydrates | 41 g |
| Fat | 25 g |
| Fibre | 9.2 g |
| Sugar | 9.9 g |
| Sodium | 753 mg |
| Energy | 76 kcal |
| Protein | 2.2 g |
| Carbohydrates | 7.4 g |
| Fat | 4.6 g |
| Fibre | 1.7 g |
| Sugar | 1.8 g |
| Sodium | 137 mg |
Nutrition values are estimated — calculated from USDA FoodData Central values for the listed ingredients.
Vitamins & minerals: Vitamin C and vitamin A (tomatoes, pasilla chile), vitamin K and folate (avocado), potassium (tomatoes, avocado) and calcium (queso fresco, crema).
Vegetables Lead the Bowl
Tomatoes, onion and avocado bring vitamin C, potassium, folate and fibre, while the pasilla chile adds flavour with almost no calories.
Fibre from Corn and Avocado
Corn tortillas and avocado give about 9 g of fibre per serving, which helps the soup feel filling for its calories.
Meat-Free but Satisfying
Cheese, avocado and crema supply protein and healthy fats, so the vegetarian version still eats like a proper lunch.
Food Pairings
To optimize nutrient absorption and elevate the sensory depth, pair with these authentic accompaniments:
Sides
Black Bean Tostadas
Crisp tostadas with refried black beans add protein and a second crunch, and their earthy flavour suits the smoky broth.
Vegetables
Mexican Rice
A spoonful of tomato rice on the side turns the soup into a bigger lunch and soaks up any broth left in the bowl.
Drinks
Agua Fresca de Jamaica
Cold hibiscus water is tart and lightly sweet, which cools the chile heat and refreshes the palate between spoonfuls.
Full Menus
With a Simple Green Salad
A crisp lettuce, radish and lime salad beside the soup adds freshness and crunch that the warm, soft bowl does not have.
Complete menu
Serve the soup with black bean tostadas and a cold agua fresca de jamaica, and finish with a simple lettuce and radish salad with lime.
Digestive Guardrails
To prevent digestive distress, sluggishness, or palate clash, avoid pairing the dish with these elements:
Sour Cream Instead of Crema
Sour cream has less fat than Mexican crema and can split into curds when it hits hot broth. Use crema or crème fraîche, which stay smooth. This is general guidance, not medical advice.
Pouring the Broth Too Early
If the broth sits on the strips for more than a few minutes before serving, they turn to mush. Pour at the table, at the last moment.
General information only, not medical advice — consult a doctor for personal dietary decisions.
Who Should Eat It
Health Conditions — Adjust or Avoid
If you have a medical condition, consult your doctor before changing your diet.
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