Pat the chicken thighs dry and season both sides with salt and pepper.
Heat 1 tablespoon olive oil in a medium skillet over medium heat. Add the whole garlic cloves (optional) and cook 1–2 minutes until fragrant.
Add the chicken to the skillet and cook 3–4 minutes per side, until cooked through and browned. Remove the chicken and set aside.
Reduce heat to medium-low, add the remaining 1 tablespoon olive oil and the minced garlic; cook 1–2 minutes until softened but not burned.
Stir in the honey and Dijon mustard until combined and warmed, about 1 minute.
Return the chicken to the skillet and spoon the sauce over it; cook 1–2 minutes more to heat through and glaze the chicken.
Garnish with sliced green onions or chopped fresh parsley and serve.