Vegan Carrot Soup with Caramelized Onions

 large onions, sliced

tablespoonsolive oil

 lbs carrots peeled and sliced into coins

 large yukon gold potato peeled and cut into ½ inch pieces

 cup celery sliced

oz carton vegetable stock- homemade or low sodium variety

salt and pepper

Parsley leaves, loosely packed

Lemon thyme, leaves removed from stem

Olive oil

Sea salt

Piment d'espelette