Slow Cooker Salisbury Steak Recipe by Renee's Kitchen Adventures is pure comfort food! Delicious beef patties covered in a delectable onion gravy is the easy way to make Salisbury Steak! Served over mashed potatoes it makes dinnertime special! Yum! Yum! #RKArecipes#slowcookerrecipe#crockpotrecipe#salisburysteak#salisburysteakrecipe