Sweet and Savory Oven Baked Chicken Thighs

Name: Sweet and Savory Oven Baked Chicken Thighs
Ingredients: 16 oz chicken thighs (skin on, bone in); 1/2 onion (small ); 1 tbsp olive oil; 5 garlic cloves; 1 1/2 tbsp honey; 1 tsp dijon mustard; 1 tbsp stone ground mustard; 1/2 tsp onion powder; 1/2 tsp red pepper flakes; 1 tsp dried thyme; 1/2 tsp salt; 1/2 tsp pepper