Pre-heat oven to 375 F (191 C).
In a medium-heat skillet, saute onions until translucent. Add garlic and saute for another 3 - 5 minutes, stirring regularly to avoid burning.
In a blender, blend the cooked onion/garlic, milk, nutritional yeast, tofu until smooth and creamy.
In a medium-heat skillet, saute mushrooms.
Add the tofu mixture to the pan with your mushrooms and continuing cooking and stirring. Add in all remaining spices.
Cook for another 10 minutes or so, stirring well.
Add in green beans and mix together until all beans are well-coated.
Put in a small casserole dish. Add crispy onions on top.
Cook for 18 - 22 minutes.