Preheat your oven t0 375 F
When your oven is preheated, place your bread slices on a baking sheet, brush olive oil across both sides of each slice, and bake for 7-10 minutes, or until golden brown
Meanwhile, slice the onions into thin strips
Heat a saucepan over medium to medium-low heat with some olive oil
Add your onions, maple syrup, and some salt and pepper and let everything cook slowly for about 25 minutes
When your 25 minutes are up and your onions have transformed into a deep golden brown, add your beer let it cook for 5 minutes and then add the vegetable broth and the thyme .
Bring the soup to a boil, reduce to a simmer, and cook for 15 minutes Season to taste with salt and pepper
Turn your oven onto broil
Poor the soup into bowls, and place the bowls on a baking sheet
Place 1 slice of bread on top of the soup, and top with cheese (about ¼ cup)
Place under the broiler for 1-3 minutes until the cheese is melted
Serve immediately!