Begin by making the marinade, add 2 tbsp finely chopped onions into a bowl, pat down 1 jarred roasted red bell pepper and roughly chop, add into the bowl with the onions, pour in 2 tbsp extra virgin olive oil, 2 tbsp sherry vinegar, 1 tbsp freshy chopped parsley and 1/2 tsp dried thyme, mix everything until well combined and set aside

Wash and pat dry 12 button mushrooms, making sure to remove the stems as you clean them

Heat a large fry pan with a medium heat and add in 2 tbsp extra virgin olive oil, after 3 minutes add in the mushrooms hole side up, after 2 1/2 to 3 minutes flip the mushrooms to cook the other side, after another 2 1/2 to 3 minutes add in 4 cloves garlic finely minced and mix everything together, after 15 to 20 seconds remove the pan from the heat and add the mushrooms and garlic into the bowl with the marinade, mix until well combined and cover with saran wrap, set aside at room temperature

After letting the mushrooms sit in the marinade for at least 15 minutes, transfer the mushrooms into a serving dish using a slotted spoon, making sure to top them off with the vegetables in the bowl, serve at room temperature or cold, enjoy!