Tender Garlic Steak with Creamy Potatoes and Buttery Corn

Ingredients

• 1/4 cup milk
• 1 tbsp Dijon mustard
• 2 tbsp olive oil
• 1 egg
• 1 lb ground beef
• Salt
• pepper
• 1 tbsp Worcestershire sauce
• 1 cup beef broth
• 1/2 cup breadcrumbs
• 1 small onion, finely chopped
• 1 tbsp ketchup
• 1 tbsp cornstarch (if you'd like to thicken the sauce)
• Half a cup of milk or cream
• 3 tablespoons butter
• 4 cloves garlic, minced
• A pinch of salt and pepper, to taste
• 4 big potatoes, peeled and chopped into cubes
• 2 tablespoons butter
• Salt and pepper for seasoning
• 4 ears fresh corn, husked (or about 2 cups of frozen)