Kale and Queso Fresco Quesadillas

A skillet recipe for two

A crisp quesadilla with a fresh, savoury filling

After many years of living and travelling across Asia, we have cooked in plenty of kitchens where the local market shapes what goes into dinner. This quesadilla is our home-style, Mexican-inspired combination, not a claim to reproduce one traditional regional recipe. The practical rhythm is familiar wherever we cook: soften the greens first, keep excess moisture out of the filling, and give the tortillas time to turn crisp in the pan. UNESCO describes traditional Mexican cuisine as a much wider living food system shaped by community knowledge, maize, beans, chiles and techniques such as nixtamalization. That is important cultural context, but it does not make this particular kale-and-sun-dried-tomato filling a traditional regional dish. UNESCO’s overview of traditional Mexican cuisine.

Our family has lived and travelled in different parts of the world, and cooking with the ingredients available around us has become part of everyday life. This particular combination is a home-style, Mexican-inspired variation rather than a claim to represent one traditional regional quesadilla. Mexican food culture is diverse and rooted in living community knowledge, ingredients and techniques. UNESCO’s description of traditional Mexican cuisine refers to a much wider cultural food system, including maize, beans, chiles and nixtamalization; this particular kale-and-sun-dried-tomato filling is our own modern combination within that broader food landscape. UNESCO’s overview of traditional Mexican cuisine.

What happens when queso fresco is heated?

Queso fresco is a fresh cheese with a soft, crumbly texture. It does not behave like mozzarella: depending on the producer and style, it may soften when warmed without turning into long, stretchy strands. That gives these quesadillas a more delicate, crumbly filling rather than a gooey centre.

A peer-reviewed study of starter-culture-free, rennet-set queso fresco describes a cheese that crumbles readily and softens when heated without melting and flowing. That research helps explain the texture often associated with queso fresco, although products and manufacturing methods can vary. Read the queso fresco meltability study.

If you prefer a more melted filling, use Monterey Jack or mozzarella, or combine a smaller amount of one of those cheeses with the queso fresco. That changes the texture, but it is a practical variation rather than a like-for-like substitute.

Why the kale is cooked before the tortillas are filled

Kale has sturdier leaves than spinach, so it needs a little time in the skillet before it is tucked between the tortillas. Sautéing it with garlic softens the leaves and cooks away some of their moisture. This helps the filling sit neatly inside the quesadilla instead of steaming the tortilla from within.

Remove the tougher stems before chopping. Wash the leaves and dry them well; water clinging to the leaves adds moisture to the pan and slows the sauté. Cook until the kale has collapsed and is tender, rather than leaving it raw and relying on the short quesadilla cooking time to finish it.

Spinach can be used instead, but it wilts more quickly. Cook it only until collapsed, then drain or squeeze away excess liquid before assembling. The original recipe uses kale, so the texture and flavour will be different with spinach.

Ingredients for kale and queso fresco quesadillas

The quantities below make two quesadillas, using two tortillas for each one. The method seasons the kale with salt, but the original source does not give a measured quantity; add it to taste.

• Queso fresco — 4 tablespoons: crumble it so the mild, fresh cheese is spread evenly through the filling.
• Corn tortillas — 4, about 6 inches: use small corn tortillas that are flexible enough to fold or layer.
• Fresh kale — 1½ cups: lacinato or Dinosaur kale works well; remove the tough stems and chop the leaves.
• Oil-packed sun-dried tomatoes — 2: drain and finely dice them before adding.
• Garlic — 1 clove: smash it to flavour the olive oil, then remove it before adding the kale.
• Salt — to taste: the original method seasons the kale, although it does not specify a measured amount.
• Olive oil — 2 teaspoons: for sautéing the garlic and kale.
• Canola oil — 1 teaspoon: for crisping the quesadillas in the skillet.

About the tortillas: nixtamalization is the traditional alkaline lime-cooking process used to prepare maize for masa, and it is an important part of many Mexican foodways. The recipe calls for corn tortillas; check the maker or package if you specifically want to confirm whether the tortillas you buy are made from nixtamalized masa. For a little more heat, finely chop a jalapeño or serrano and sauté it with the kale; see our chilli pepper guide for more on choosing peppers.

Using dry-packed tomatoes instead? Soak them in hot water for about 15 minutes, then drain and pat dry before dicing. That optional step adds to the preparation time; the listed 30-minute total assumes oil-packed tomatoes.

Assembling and crisping the quesadillas

Drain the tomatoes and cook the kale before you start assembling. Keep the filling in an even layer and avoid pressing so firmly that the cheese and greens push out over the edge. A moderate skillet temperature gives the tortilla time to colour while the filling warms through.

• Keep the filling fairly dry: drain the tomatoes and let the kale cook until tender.
• Spread the cheese evenly: crumbled queso fresco will soften in place rather than form a stretchy layer.
• Use medium heat: too much heat can brown the tortilla before the centre has warmed.
• Flip carefully: a wide spatula helps support the two-tortilla quesadilla when turning.