The Spicy Jalapeño Smashburger

Ingredients

• 1.5 lb Ground Beef (80/20 lean‑to‑fat ratio, cold)
• 2 Jalapeño Peppers (Medium size, seeded and thinly sliced; wear gloves)
• 1 Yellow Onion (Small, finely diced)
• 2 Garlic Cloves (Minced)
• 2 Poblano Peppers (Roasted, skins removed, flesh roughly chopped)
• 1/2 cup Sour Cream (Full‑fat for richness)
• 2 tbsp Lime Juice (Freshly squeezed)
• 2 tbsp Milk (Whole milk, used to loosen poblano cream if needed)
• 2 Egg Whites (From large eggs, lightly beaten; used to brush buns)
• 4 slices Pepper Jack Cheese (Colby‑pepper jack, melted on patty)
• 4 Hamburger Buns (Sesame‑seed‑free, sturdy brioche style)
• 2 tbsp Olive Oil (For brushing buns and cooking patties)
• 1 tsp Salt (Kosher or sea salt)
• 1/2 tsp Black Pepper (Freshly ground)
• 2 tbsp Dried Minced Onion (For topping the bun before egg‑white brush)

Instructions

1. Roast Poblano Peppers

   Preheat the oven to 450°F (230°C). Slice the poblano peppers in half lengthwise, remove stems and seeds, place skin side up on a baking sheet, and roast for about 25 minutes until the skins are charred and the flesh is soft.

   Time: PT25M

   Temperature: 450°F

2. Steam and Peel

   Transfer the hot peppers to a large Ziploc bag, seal, and let them steam for 10–15 minutes. After steaming, gently peel off the charred skins; most will slip off easily. Discard any remaining black bits.

   Time: PT15M

3. Make Poblano Cream

   Place the peeled poblano flesh in a food processor. Add 1/2 cup sour cream, 2 tbsp lime juice, and 2 tbsp milk. Pulse until smooth. Taste and season with a pinch of salt and pepper. If the mixture is too thick, add a little more milk; if too thin, add a bit more sour cream.

   Time: PT5M

4. Prep Jalapeño & Onion

   Wear disposable gloves. Slice the jalapeños lengthwise, remove seeds and membranes, then dice into thin strips. Dice the onion finely. Set aside in a bowl.

   Time: PT5M

5. Season Ground Beef

   In a large mixing bowl combine the ground beef, diced jalapeño, diced onion, minced garlic, 1 tsp salt, and 1/2 tsp black pepper. Mix gently with hands until just combined; over‑mixing makes the burger tough.

   Time: PT5M

6. Form Burger Balls

   Divide the seasoned meat into 4 equal portions (about 6 oz each). Gently roll each portion into a loose ball and set aside on a plate.

   Time: PT5M

7. Preheat Skillet

   Place a cast‑iron skillet over high heat. Add 1 tbsp olive oil and let it heat until shimmering, about 2 minutes.

   Time: PT2M

8. Brush and Toast Buns

   Mix the egg whites with a splash of water (about 1 tsp). Lightly brush the cut sides of each bun with the egg‑white mixture, then sprinkle dried minced onion on top. Place buns cut‑side down in the hot skillet for 2–3 minutes until golden and slightly crisp.

   Time: PT3M

9. Cook & Smash Patties

   Place one meat ball in the skillet. Using a sturdy spatula, press firmly to flatten the patty to about 1/4‑inch thickness. Cook for 2 minutes, then flip, add a slice of pepper jack cheese, and cook another 2–3 minutes until the cheese melts and the edges are crispy.

   Time: PT6M

10. Assemble the Burger

    Spread a generous spoonful of the poblano cream on the bottom bun, place the cheesy smash patty on top, then crown with the toasted bun. Serve immediately.

    Time: PT2M

Nutrition Facts

Calories

620

Protein

30g

Carbohydrates

45g

Fat

30g

Fiber

3g

Ingredient Substitutions

• Instead of Ground Beef: Ground turkey, Ground bison
• Instead of Jalapeño Peppers: Serrano pepper, Fresh green chilies
• Instead of Yellow Onion: White onion, Sweet onion
• Instead of Garlic Cloves: Garlic powder (1/2 tsp)
• Instead of Poblano Peppers: Anaheim pepper, Roasted red bell pepper
• Instead of Sour Cream: Greek yogurt, Creme fraiche
• Instead of Lime Juice: White wine vinegar (1 tbsp)
• Instead of Milk: Heavy cream (1 tbsp)
• Instead of Egg Whites: Whole egg (1)
• Instead of Pepper Jack Cheese: Monterey Jack, Cheddar
• Instead of Hamburger Buns: Potato rolls, English muffins
• Instead of Olive Oil: Canola oil, Avocado oil
• Instead of Salt: Table salt (reduce to 3/4 tsp)
• Instead of Black Pepper: White pepper
• Instead of Dried Minced Onion: Fresh finely diced onion (1 tbsp)

Equipment Needed

• Oven
• Baking Sheet
• Ziploc Bag
• Food Processor
• Mixing Bowl
• Chef’s Knife
• Cutting Board
• Heat‑Resistant Gloves
• Cast‑Iron Skillet or Heavy‑Bottomed Frying Pan
• Spatula (metal or sturdy silicone)
• Tongs
• Pastry Brush
• Measuring Spoons
• Plate or Wire Rack (optional)

Critical Steps — Do Not Skip

• Roasting and peeling the poblano peppers to achieve a smoky cream base.
• Seasoning only one side of the patty before the smash for optimal crust.
• Brushing egg white on the bun and toasting it to create a crisp, adhesive surface.

Chef Tips from the Video

• A cast‑iron skillet retains heat best for that signature crispy edge.
• Press the patty with a heavy spatula or a burger press for an even smash.
• Use a light hand when mixing the ground beef to keep the texture tender.

Troubleshooting

Storage

Refrigerator: Poblano cream and cooked patties keep 3‑4 days in airtight containers. Buns stay fresh 2 days.

Freezer: Uncooked seasoned meat balls freeze well for up to 2 months; thaw before cooking.

Room temperature: Assembled burgers should be eaten immediately; leftovers at room temperature for more than 2 hours are not safe.

Make-Ahead Tips

• Roast and peel the poblano peppers a day ahead; store the flesh in the fridge.
• Prepare the poblano cream in advance and keep it chilled.
• Form the seasoned meat balls and refrigerate; they can be frozen for later use.

Frequently Asked Questions