Southwest Chicken Panini

1 . Stage

Whisk water, vegetable oil, and marinade mix together in a glass or ceramic bowl. Add chicken and toss to coat. Cover with plastic wrap and marinate in the refrigerator for 15 to 30 minutes, or overnight.

2 . Stage

Preheat an electric grill (such as George Foreman®) for medium heat and lightly oil the grate.

3 . Stage

Remove chicken from the marinade and shake off excess. Discard the remaining marinade.

4 . Stage

Place chicken on the preheated grill, close the lid, and cook until no longer pink in the center and the juices run clear, about 6 minutes. An instant-read thermometer inserted into the center should read at least 165 degrees F (74 degrees C).

5 . Stage

While chicken is cooking, heat olive oil in a skillet over medium heat. Add bell peppers and onion and saute until tender, 5 to 7 minutes.

6 . Stage

Butter one side of each slice of bread. Assemble 2 sandwiches by layering Monterey Jack cheese, vegetables, and chicken between the unbuttered sides of the bread.

7 . Stage

Place sandwiches on the grill, close the lid, and cook until bread is golden brown and cheese is melted, about 3 minutes.