Step 1

Preheat the oven to 400 degrees Fahrenheit.

Step 2

Cover a sheet tray with foil or parchment paper.

Step 3

Brush the peppers with olive oil, then place in the oven.

Step 4

Roasted for 15 to 20 minutes per side, then remove.

Step 5

Add to a metal bowl, cover.

Step 6

After a few minutes, remove the covering. Scrape a paring knife down the exterior of the pepper to remove the skin. Cut off the stem and discard.

Step 7

Slice lengthwise then use a spoon to remove the seeds and membrane.

Step 8

Place directly under the broiler on a sheet tray in the oven until skin is blackened, turning with tongs as needed.

Step 9

Add to a metal bowl, cover.

Step 10

After a few minutes, remove the covering. Scrape a paring knife down the exterior of the pepper to remove the skin. Cut off the stem and discard.

Step 11

Slice lengthwise then use a spoon to remove the seeds and membrane.

Step 12

Place directly over the flame of a gas grill until skin is blackened, turning with tongs as needed.

Step 13

Add to a metal bowl, cover.

Step 14

After a few minutes, remove the covering. Scrape a paring knife down the exterior of the pepper to remove the skin. Cut off the stem and discard.

Step 15

Slice lengthwise then use a spoon to remove the seeds and membrane.

Step 16

Place jalapeños on the grate of a charcoal or gas grill preheated to high heat. Let them grill directly over the flame, turning occasionally, until charred on all sides.

Step 17

Add to a metal bowl, cover.

Step 18

After a few minutes, remove the covering. Scrape a paring knife down the exterior of the pepper to remove the skin. Cut off the stem and discard.

Step 19

Slice lengthwise then use a spoon to remove the seeds and membrane.

Step 20

Place the peppers in the air fryer basket.

Step 21

Air fry for 8 to 12 minutes at 350 degrees Fahrenheit, flipping halfway through. Air fryers, like ovens, can differ slightly in their temperature, so be sure to monitor the jalapenos for doneness.

Step 22

Add to a metal bowl, cover.

Step 23

After a few minutes, remove the covering. Scrape a paring knife down the exterior of the pepper to remove the skin. Cut off the stem and discard.

Step 24

Slice lengthwise then use a spoon to remove the seeds and membrane.