Season the beef cube steaks with salt, pepper, and garlic powder.
Optionally, brown the steaks in a hot pan with a little oil for extra flavor before adding them to the crock pot.
Place the seasoned beef steaks into the crock pot.
Add the beef broth and flour to the crock pot. Optionally, add vegetables like carrots and potatoes for extra nutrition and flavor.
Cook on low for 8-10 hours or on high for 4-6 hours, depending on your schedule. The slow cooking method will make the steak tender and juicy.
After the steak is cooked, remove it from the crock pot.
To make gravy, mix the drippings with flour, whisk in more beef broth, and simmer until the sauce thickens. Adjust seasoning with salt, pepper, and herbs like thyme if desired.
Serve the cube steak with mashed potatoes, roasted vegetables, or a simple salad, and top with the rich gravy.