4 Recipes With Corn, Beans, and Squash—The 'Three Sisters' Blue Zone Centenarians in Costa Rica Eat Every Day (2024)

4 Recipes With Corn, Beans, and Squash—The 'Three Sisters' Blue Zone Centenarians in Costa Rica Eat Every Day (1)4 Recipes With Corn, Beans, and Squash—The 'Three Sisters' Blue Zone Centenarians in Costa Rica Eat Every Day (2)

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In Costa Rica, “pura vida” has become much more than just a slogan; it’s a way of life. The popular expression, which translates to “pure life,” has been used by locals for decades as a casual way of saying “everything’s good” or as a way to describe Costa Rican lifestyle and culture.

As the saying pura vida indicates, Costa Ricans certainly know a thing or two about living life to the fullest, as it’s the home to some of the longest-living people in the world. Nicoya, an 80-mile peninsula in Costa Rica just south of the Nicaraguan border, has been identified by longevity expert, bestselling author, and National Geographic researcher Dan Buettner as one of the five Blue Zones regions—aka the parts of the planet that are home to the oldest-living people—due to its abundance of centenarians.

So, what’s the key to healthy aging for many folks residing in the Nicoya Peninsula? Aside from maintaining a strong sense of purpose, feeling connected to their community, and moving throughout the day (as well as a number of other longevity-boosting lifestyle habits), Costa Ricans tend to consume a healthy diet comprised of a trifecta of super nutritious ingredients dubbed the “three sisters,” aka corn, beans, and squash. We’ve gathered a few delicious, nutrient-rich three sisters recipes made with these ingredients that will bring a bit of pura vida to wherever you reside.

Health benefits of the “three sisters” ingredients

The three sister ingredients—corn, beans, and squash—stem from the traditional Mesoamerican diet that many Nicoyan centenarians follow. People in this region tend to eat light dinners early in the evening, comprised of these simple, nutritious foods. Most meals in the Nicoya Peninsula incorporate plant-based, nutrient-dense, and protein-rich ingredients like legumes and vegetables (which make up about 21 percent of their diet), three sisters included.

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According to Blue Zones research, squash, beans, and corn are grown together, eaten together, and celebrated together, as they provide a symbiotic growing relationship, as well as a complete nutritional profile. When growing, the corn provides a trellis for the beans, beans add nitrogen to the soil, and the squash shades out the weeds. Nature is incredible, right?

What’s more, just like they complement and support one another as they grow in a field, the three sisters pair even more perfectly together when cooking delicious, nutrient-dense meals. Corn provides gut-healthy fiber plus tons of vitamins and phytochemicals that help combat inflammation in the body. Meanwhile, beans are rich in protein and fiber, and squash yields antioxidants, vitamins, and minerals, including vitamin A, calcium, magnesium, and a host of carotenoids. Plus, when consumed together, these plant-based foods form what’s known as a complete protein, meaning they provide your body with all nine essential amino acids. And then there’s the incredible versatile flavor profile of these foods; you’d be hard-pressed to find an ingredient that corn, beans, and squash don’t pair with.

Ready to incorporate corn, beans, and squash—the perfect fall foods—into your every dish? Read on for some delicious, easy to make three sisters recipes.

4 longevity-boosting three sisters recipes

4 Recipes With Corn, Beans, and Squash—The 'Three Sisters' Blue Zone Centenarians in Costa Rica Eat Every Day (3)

1. Three Sisters Stew

While you certainly don’t have to eat the “three sisters” ingredients together every single time, it may be one of the best ways to get the most amount of nutrients in one serving. If productivity is the name of the game, this easy three sisters stew recipe by Veg Kitchen might catch your attention. It’s made with (you guessed it!) tender squash, protein-packed beans, and fresh corn and comes together in less than an hour. Aside from being a perfect hearty weeknight meal, it can also be the perfect veggie-forward side dish for Thanksgiving dinner, too.

Get the recipe: “Three Sisters” Stew

4 Recipes With Corn, Beans, and Squash—The 'Three Sisters' Blue Zone Centenarians in Costa Rica Eat Every Day (4)

2. Three Sisters Casserole with Cornbread Topping

Just like the three sisters have the perfect symbiotic relationship when planted close to one another (as they have traits that nurture and help the others grow), this vegetarian three sisters casserole with cornbread topping recipe by Simply Recipes is a match made in heaven. It’s packed with anti-inflammatory spices like chili powder and nutrient-dense greens like spinach or kale. Plus, the casserole gets finished with a delicious crunchy cornbread biscuit topping that’s simply irresistible.

Get the recipe: Three Sisters Casserole with Cornbread Topping

4 Recipes With Corn, Beans, and Squash—The 'Three Sisters' Blue Zone Centenarians in Costa Rica Eat Every Day (5)

3. Three Sisters Stew

Fall is officially here, and that means cozy and comforting soups all season long. This simple three sisters stew recipe by Brand New Vegan can be made in just about half an hour and is just as nutrient-dense as it is delicious to eat. Aside from our favorite three sisters, this recipe also has other nutritious staple ingredients like lycopene-rich tomatoes and fiber-rich potatoes. So, the next time you’re struggling with what to make for dinner (yet again), consider this dish your problem solved.

Get the recipe: Three Sisters Stew

4 Recipes With Corn, Beans, and Squash—The 'Three Sisters' Blue Zone Centenarians in Costa Rica Eat Every Day (6)

4. Sisters Harvest Bowl

If your favorite cowboy caviar recipe got a major gut-healthy and protein-packed glow-up, it would definitely become this sisters harvest bowl recipe by Suwannee Rose. This delicious dish has our favorite longevity-boosting ingredients plus a healthy serving of grains (in this case, quinoa), which happens to be another one of the must-have foods Nicoyans eat on a daily basis. After all, on average, 26 percent of the Nicoyan diet is based on whole grains like quinoa. Plus, quinoa is also a great source of calcium and folate, and it’s full of fiber, with five grams per serving.

Get the recipe: Sisters Harvest Bowls

An herbalist shares a brain-boosting herbal shot for longevity:

4 Recipes With Corn, Beans, and Squash—The 'Three Sisters' Blue Zone Centenarians in Costa Rica Eat Every Day (2024)

FAQs

What is the three sister diet in Costa Rica? ›

“Without a doubt one of the reasons people in Nicoya are living a long time is because they are eating this diet of beans, squash, and corn,” Buettner says in the film. “They call it the three sisters.”

What are the three sisters diet in the Blue Zone? ›

Squash is a superfood popular in original blue zones areas. In Mesoamerican agriculture, the “three sisters” of squash, beans, and corn are grown together, eaten together, and celebrated together. They provide a symbiotic growing relationship, as well as a complete nutritional profile.

What do centenarians eat in Costa Rica? ›

Nicoyans eat a light dinner early in the evening. For most of their lives, Nicoyan centenarians ate a traditional Mesoamerican diet highlighted with the “three sisters” of agriculture: squash, corn, and beans.

What is the Costa Rica Blue Zone diet? ›

Staples include corn, beans, rice, squash, and tropical fruits. These are complemented by lean proteins like fish and chicken, consumed in moderation. The diet is low in processed foods and high in fresh produce, which is key to maintaining good health well into old age.

What are the best blue zone foods to increase longevity? ›

Favor beans, greens, yams and sweet potatoes, fruits, nuts, and seeds. Whole grains are okay too. While people in four of the five blue zones consume meat, they do so sparingly, using it as a celebratory food, a small side, or a way to flavor dishes.

What is the blue zone breakfast in Costa Rica? ›

Breakfast in the blue zones looks vastly different than the standard American breakfast of eggs and bacon. Beans are a common breakfast staple in Costa Rica, while miso soup and rice are popular in Okinawa. In Loma Linda, centenarians often eat a hearty breakfast of oatmeal or a somewhat non-traditional tofu scramble.

Can you eat eggs on the Blue Zone diet? ›

Eggs are consumed in all five Blue Zones diets, where people eat them an average of two to four times per week. Cut down your consumption of cow's milk and dairy products such as cheese, cream, and butter. Try unsweetened soy, coconut, or almond milk as a dairy alternative.

What do Blue Zones eat for breakfast? ›

Breakfasts. Centenarians from the blue zones typically eat a mainly plant-based diet. They favor beans, greens, yams and sweet potatoes, whole grains, fruits, nuts, and seeds. This recipe combines a few centenarians staples.

What 3 foods make up the three sisters? ›

The Iroquois and the Cherokee called corn, bean, and squash “the three sisters” because they nurture each other like family when planted together.

What foods do centenarians eat? ›

They primarily eat a variety of in-season fresh vegetables and fruits, whole grains and beans. Eat animal foods sparingly – When they do eat animal-based foods, such as meat, eggs, fish and dairy, they are used to flavor dishes rather than being the main focus of the meal or are enjoyed as celebratory foods.

Do centenarians eat oatmeal? ›

In Loma Linda, [Calif.], centenarians often eat a hearty breakfast of oatmeal or a somewhat nontraditional tofu scramble.” While late-shift workers and those on varied schedules may have little control over mealtimes, choosing nutritious foods and eating well before bed can still make a difference.

What beans are good for Blue Zone diet? ›

Beans reign supreme in blue zones. They're the cornerstone of every longevity diet in the world: black beans in Nicoya; lentils, garbanzo, and white beans in the Mediterranean; and soybeans in Okinawa. People in the blue zones eat at least four times as many beans as Americans do on average.

What kind of squash do Nicoyans eat? ›

In the Nicoya region of Costa Rica, squash (often ayote or calabaza, similar to hard-shelled squash related to pumpkins or winter squash such as butternut, hubbard, or spaghetti squash) is a staple food that is often referred to as one of the “three sisters.”

What are the three sisters Costa Rica diet? ›

“Without a doubt one of the reasons people in Nicoya are living a long time is because they are eating this diet of beans, squash, and corn,” Buettner says in the film. “They call it the three sisters.”

What are the three sister foods? ›

The Iroquois and the Cherokee called corn, bean, and squash “the three sisters” because they nurture each other like family when planted together. These agriculturalists placed corn in small hills planting beans around them and interspersing squash throughout of the field.

What are 3 traditional foods in Costa Rica? ›

Basic elements. Rice and beans are included in nearly every Costa Rican meal, especially breakfast. Potatoes are another Costa Rican staple, part of the starch-rich Tico diet. Pork and beef are the most commonly eaten meats, but chicken and fish dishes are also widely available, especially on the Caribbean coast.

What is the diet of people in Costa Rica? ›

Traditional Costa Rican food is heavy on rice, beans and oil, and it's usually accompanied by fresh fruit juice or a local beer. To make up for the relative simplicity of the ingredients, Costa Rican chefs typically use an abundance of spices. (They're not big, however, on spicy foods.)

Is the three sisters diet healthy? ›

Eating corn, beans and squash together – as the ancient Indians did in a dish that has come to be known as succotash – also enhances the nutritional benefits of each. Together, the complementary amino acids of the Three Sisters form complete proteins, virtually eliminating the need for meat in the diet.

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