Venison Cube Steak with Garlic and Herb Butter

Name: Venison Cube Steak with Garlic and Herb Butter
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: American, Southern
Ingredients: 1 1/4 pounds steak (trimmed of fat and cut into 1/2-inch cubes); 2 tablespoons olive oil; 1 teaspoon garlic powder; 1 teaspoon kosher salt; 1 teaspoon black pepper; 2 tablespoons unsalted butter; 2 tablespoons fresh minced parsley; 6 to 8 cooked steak bites (chopped); 2 slices Swiss cheese; 1 tablespoon mustard; 2 slices sandwich bread; Olive oil or butter for cooking