To prepare a steak sandwiches honey garlic mayo and seared red onions recipe, you will first need to prepare your steak. Cut the steak into thick slices and season with salt and pepper. Place the cut steak slices in the crock pot and cover with water. Bring the water to boil, then reduce the heat to medium-low and simmer until the meat is no longer pink, about 20 minutes. Remove the pan from heat and add the mayonnaise, honey, garlic, and red onion. Toss to combine.