4 leftover steak sandwich with onions and mushrooms Recipes

onions, sliced, butter, oil, white button mushrooms, sliced, fresh minced garlic (or to taste), beef broth, whipping cream (unwhipped), ketchup (can use more ), worcestershire sauce, dijon mustard, cooked leftover steak (sliced to about 1/8-inch thick ), salt and pepper, green bell pepper, seeded and thinly sliced, sliced mozzarella cheese or cheddar cheese, unsliced bread (use a large french or italian bread, sliced in half lengthwise)

asiago cheese rolls (or your favorite sandwich rolls), yellow onion, sliced mushrooms, drained, red bell pepper, sliced in 2 inch strips, butter, plus more for grilling, vegetable oil, leftover steak or 8 oz deli steak, sliced thin, havarti cheese (or a combination) or 4 slices monterey jack pepper cheese (or a combination), salt, pepper, garlic powder

unsalted butter, plus extra for bread, olive oil, sliced onion, sliced mushroom, garlic, minced, beef broth, heavy cream, catsup, worcestershire sauce, dijon mustard, grilled steak or 1 lb cooked roast beef, thinly-sliced, italian bread