Using a large pot over medium to high heat, combine the oil and butter
Add the onion and minced garlic and cook until fragrant, about 3 minutes
Add in the mushrooms and 2 tsp fresh thyme
Cook for 5 minutes
Add the wine and cook for 5 more minutes
Mix the flour into the pot and cook for an additional 3 minutes
Pour the chicken broth and stir the ingredients into the pot until combined
Bring the mixture to a boil
Crumble the beef bouillon cubes before mixing them into the pot with the salt and black pepper
Cover the pot and reduce the heat, allowing the pot to simmer for 20 minutes or until thick. Occasionally stir to avoid the mixture sticking to the bottom of the pot
Reduce the heat to low and stir in the heavy whipping cream Mix in fresh parsley and thyme before serving
Enjoy!