One-Minute Salsa

From Cook's Illustrated. Makes about 1 cup

1/2 small jalapeno chile or 1/2 chipotle chili in adobo sauce, minced
1/4 small red onion, peeled and root end removed
1 small garlic clove, minced or pressed
2 tablespoons fresh cilantro leaves
1/4 teaspoon salt
pinch ground black pepper
2 teaspoons juice from 1 lime
2 small ripe tomatoes each cored and cut into eights, or one (14-ounce) can diced tomatoes, drained

Pulse all ingredients except tomatoes in food processor until minced, about five 1-second pulses, scraping sides of bowl as necessary. Add tomatoes and pulse until roughly chopped, about two 1-second pulses.