1 cup seeded and chopped yellow and/or red tomatoes 3 tablespoon finely chopped red onion 1 tablespoon snipped fresh cilantro 1 fresh serrano chile pepper, finely chopped (seeded if desired) 1 tablespoon lime juice 1 teaspoon honey (optional)

*Test Kitchen Tip:

The internal color of a burger is not a reliable doneness indicator. A beef patty cooked to 160 degrees F is safe, regardless of color. To measure the doneness of a patty, insert an instant-read thermometer through the side of the patty to a depth of 2 to 3 inches.