Grilled Pesto-Filled Mushrooms – West IGA

Ingredients

• 1/2 cup finely chopped fresh parsley 125 mL
• 1/2 cup olive oil, divided 125 mL
• 1 tsp lemon juice 5 mL
• 1/2 small clove garlic, minced
• 1/4 tsp finely chopped fresh thyme 1 mL
• 1/2 tsp each salt and pepper 2 mL
• 1 lb large white button or cremini mushrooms, stems removed 500 g