Cut chicken into bite-sized pieces and heat oil in a large skillet over medium-high heat.
Add chicken and garlic, cooking until the chicken is golden (about 6 minutes).
Stir in harissa, drained chickpeas, and tomatoes, then simmer for 8 minutes.
Fold in spinach and cook until wilted (about 2 minutes), then serve hot.
Photo: dimitri.photography / Unsplash