Grilled Lemon Dijon Chicken Skewers

Ingredients

• 1 1/2 tbsp fresh oregano (or 2 tsp dry)
• 1 teaspoon olive oil
• 16 oz skinless boneless chicken breasts, cut into 1-inch cubes
• 1/2 red onion, quartered and layers separated
• 1 1/2 tbsp Dijon mustard
• 4 lemon wedges for serving
• 2 tbsp fresh lemon juice
• 1 tsp kosher salt and fresh cracked pepper, to taste
• 3 garlic cloves, crushed