Potato-Cheddar Soup With Quick-Pickled Jalapeños

By Leslie Blythe  , , ,   , ,

February 17, 2025

Imagine the comforting warmth of cheesy mashed potatoes transformed into a luscious soup. That's precisely what this dish delivers. It's rich and satisfying without being overly heavy, hearty yet not dense. A touch of chili powder and garlic adds a lively kick, while the homemade pickled jalapeños provide a bright, tangy counterpoint to the creamy richness. These quick and easy pickled jalapeños are far superior to anything store-bought, elevating each spoonful with their vibrant flavor.

  • Prep: 25 mins
  • Cook: 45 mins
  • Yields: 4 - 6 Serving

Ingredients

2 jalapeños

2 limes, halved

Kosher salt and black pepper

Large pinch of granulated sugar or a drop of honey

3 tablespoons unsalted butter

1 large Spanish or white onion, diced

2 celery stalks, diced

4 garlic cloves, minced

½ teaspoon chili powder, plus more for garnish

2½ pounds Yukon Gold potatoes, peeled and cut into 1-inch cubes

1 quart vegetable broth

2 cups grated Cheddar (8 ounces), plus more for garnish

1 cup half-and-half, or use ½ cup whole milk and ½ cup heavy cream

3 scallions, white and light green parts, thinly sliced

Chopped cilantro, for serving

Directions

1Thinly slice the jalapeños, discarding the seeds if you like. Put slices in a bowl and squeeze in enough lime juice to cover them.

2Add a pinch each of salt and sugar. Let sit at room temperature while you make the soup.

3(The jalapeños can be prepared up to 5 days ahead of time and stored in the refrigerator; they get softer and more pickle-y as they sit.)

4In a large pot, melt the butter over medium heat. Add onion, celery and a large pinch of salt, and sauté until lightly golden and soft, about 10 minutes. Add garlic and chili powder and sauté until fragrant, 1 minute.

5Add potatoes, broth and 2 teaspoons salt, and bring to a simmer. Cook until potatoes are very tender, 30 to 40 minutes.

6Using an immersion blender or transferring the soup to a regular blender in batches, purée the soup, adding some water as needed to thin it out. (The soup can be as thick or brothy as you like.)

7Return the soup to the pot if you removed it and reduce heat to medium-low. Add cheese and half-and-half, and cook at a very gentle simmer, stirring, until the cheese melts, 1 to 2 minutes. Taste and season with salt and pepper as needed.

8Top each bowl with pickled jalapeños, plus a drizzle of their pickling liquid and a pinch of chili powder, along with scallions, cilantro and more Cheddar.

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