In a large mixing bowl, combine beef, adobo, garlic powder, onion powder, salt, pepper, eggs, breadcrumbs and milk
Mix until fully combined then shape into 6 thick burger shaped patties.
In a large saute skillet, heat the olive oil up
place each of the shaped patties into the oil next to each other evenly and cook on either side for about 4 minutes
In a medium sauce pan, add in the beef broth, dry gravy mix- cook until smooth & set aside
On the bottom of the slow cooker, place the mushrooms & sliced onions in the bottom then place the cooked patties on top evenly.
Pour the cooked gravy mix over the patties
Cover and cook on LOW for 4-5 hours.
Remove each of the patties from the slow cooker and set aside (leaving the cooked mushrooms and onions at the bottom with the gravy)
Combine the cornstarch with the water and pour into the slow cooker.
Turn the slow cooker to HIGH and cook for 5 minutes OR until sauce is thick
Use to pour over the patties
ENJOY!