
Roma tomatoes are the type we most often see at a tianguis (street market) or at an enclosed market, or in a supermarket. Heirloom tomatoes--even standard, everyday round tomatoes--are very hard to find here. When I buy Roma tomatoes, I am fortunate to be able to find them fully ripe and really delicious.
Thirteen years ago, in August 2007, Mexico Cooks! featured every sort of produce, dairy product, and meat sold at a local tianguis (street market) near Guadalajara, Jalisco. For the entire month of August 2008, you read about seasonal availability of fruits and vegetables at the dozens of regularly scheduled tianguis (it's the same word in singular and plural) in Morelia, Michoacán. Mexico Cooks! would rather shop at a hot, crowded, and sometimes smelly tianguis than at an air conditioned supermarket, rather shop for supremely fresh foods at a tianguis than give a second glance to anything frozen, boxed, or canned that's offered for sale elsewhere.

A sign maker with a sense of humor stuck this tag on his fresh Roma tomatoes: "Like you saw it on TV". Several years ago, these were offered at 14 pesos the kilo (about 45 cents US the pound). Next to the tomatoes, you can see the pointed ends of chiles serrano. Today, Roma tomatoes sell for about 30-35 pesos per kilo.
The tianguis, wherever in Mexico it's held, is a basic part of the culture of modern Mexico. Its name comes from the Náuhatl word tianquiztli, market. Although Náhuatl markets are centuries old, the present-day form of the tianguis is fairly recent, originating during the 1970-76 Mexican presidency of Luis Echeverría Alvarez. The author of the tianguis project in Mexico was José Iturriaga, Echeverría's former finance minister.

Cooked in a sweet syrup, whole calabaza de castilla (squash, left), camote (candied sweet potato, right), and higos (figs, rear) are available at the tianguis by the kilo or portion of a kilo. They're to be eaten for breakfast or supper.
Although Iturriaga was himself a wealthy, educated, and cultured man, he worried about the ability of Mexico's poor to feed their families. He was especially concerned about the availability of nutritious fresh foods sold at reasonable prices. The tianguis, otherwise known as a mercado sobre ruedas (market on wheels), was his idea. The government took charge of giving Mexico's working-class housewives and other food shoppers stupendous quality at the lowest possible prices.

Beautiful cebollitas de cambray (knob onions), ready for serving with carne asada (grilled meat, usually accompanied by grilled whole onions like these. They sell for about 12 pesos per kilo.
Still operated by local government, today's tianguis only sometimes reach Iturriaga's ideal. Often the produce can be second-rate, the meats and seafood far less than fresh, and the market's hygiene questionable--while prices are often as high or higher than the días de plaza (sale days) in upscale supermarkets.

Higos--figs, at the peak of maturity and ripeness--enjoy a relatively long season here in Mexico. We recently paid 100 pesos for two kilos of beautifully ripe figs and prepared half a dozen jars of you-don't-want-to-know-how-good fig conserve. Later this winter, spread on a toasted and buttered bolillo (small loaf of fresh-baked bread) from our corner abarrotes (tiny mom'n'pop grocery store), served over ice cream, or simply licked off the finger, the conserve will be an intense memory of summer.
Mexico Cooks! is a regular customer at one of the better tianguis in Morelia. Our tianguis, set up early Wednesday mornings, is quite near our house. Our normal purchases include seafood, excellent pork ranging from maciza (fresh pork leg) to tocino (bacon), marvelously fresh chicken (whole or whichever part you want), all of our fruits and vegetables, cheeses and table cream, dried beans, grains, and flowers for the house. We don't eat much beef, but if we did, we'd buy it at the tianguis.

Tiny plátanos dominico (finger bananas, about 2.5 inches long) are just one of the banana varieties we usually see at the tianguis. These sell today for about 37 pesos a kilo.

Small ataúlfo mangos, my personal favorites. Thirty pesos per kilo.
Prices at the Wednesday tianguis in our neighborhood, while not substantially lower than those at the supermarket, are still not higher than we care to pay. We usually budget about 900 pesos (about $40.00 USD) to buy what we need at the tianguis for a week's meals, including pork and sometimes shrimp. We budget another 400 pesos for purchases at the supermarket.

Gorgeous deep red watermelons, sold by the kilo: buy as much as you like--a slice, a whole melon, whatever you need. Twelve pesos per kilo at the tianguis!
On a recent Wednesday morning, these were our purchases:
6 large fresh white onions, 20 pesos per kilo
1 huge cantaloupe, 17 pesos per kilo
4 ataúlfo mangos, 30 pesos per kilo
6 red-ripe Roma tomatoes, 35 pesos per kilo
500 gr white mushrooms, 58 pesos
1/2 large white cabbage, 10 pesos
8 Gala apples, 45 pesos per kilo
1 large avocado, 60 pesos per kilo
2 large bananas, 17 pesos per kilo
1 large papaya, 30 pesos per kilo
1 lb fresh green beans, 37 pesos per kilo
1 large head of broccoli, 28 pesos per kilo
8 ounces crema de mesa (table cream, similar to crême fraiche), about 20 pesos total
1 whole chicken, 39 pesos per kilo
250 gr cut to order bacon, 200 pesos per kilo
Total cost: 400 pesos--the equivalent of less than $25.00 USD.
The Mexican peso/USA dollar exchange rate is currently the approximately 22 pesos per dollar.

These are the fruit of the nopal cactus, known as tunas. (The red thing to the left is a fresa (strawberry), placed for size comparison.) Tunas are in season right now; I buy them frequently at this time of year to make agua fresca de tuna ('fresh water' made of tunas).

Tunas are super-easy to peel--cut off each end, make a longitudinal slit in the peel, and pull the skin off. That's it. Eat them out of hand, slice them on a plate, or make agua fresca. They're refreshing and delicious.
Times and needs change. Urban Mexico views the tianguis as both a terrible bother (who would want one on their street, with its attendant noise and mess) and a joy (but where else can we get produce this fresh!). Mexico Cooks! knows people who will not shop at a tianguis, and we know people who will not shop anywhere else. Come with us some week and see what you think.
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